https://tips.ojapp.app/ツール開発者が書く Web のノウハウ集ja-JPhttps://tips.ojapp.app/en/pwa-home-screen-wrong-page-start-url-2/https://tips.ojapp.app/en/pwa-home-screen-wrong-page-start-url-2/Wed, 07 Oct 2026 00:00:00 GMTAdded a specific page to your iPhone Home Screen but a different page opens instead? Using an X profile as an example, this guide explains what users can do and how developers can design PWA start_url behavior.https://tips.ojapp.app/pwa-home-screen-wrong-page-start-url/https://tips.ojapp.app/pwa-home-screen-wrong-page-start-url/Wed, 07 Oct 2026 00:00:00 GMTiPhoneで見ていたページをホーム画面に追加したのに、トップページなど別のページが開く原因を解説。Xのプロフィールを例に、ユーザー側の対処法とPWAのstart_urlを設定する制作者側の対策を紹介します。https://tips.ojapp.app/en/android-home-screen-add-install-missing-2/https://tips.ojapp.app/en/android-home-screen-add-install-missing-2/Thu, 01 Oct 2026 00:00:00 GMTCan't find Add to Home Screen or Install in Chrome on Android? Learn the difference between shortcuts and installed web apps, plus how to check the manifest, HTTPS, icons, start_url, and other PWA settings.https://tips.ojapp.app/android-home-screen-add-install-missing/https://tips.ojapp.app/android-home-screen-add-install-missing/Thu, 01 Oct 2026 00:00:00 GMTAndroidのChromeで「ホーム画面に追加」や「インストール」が出ない原因を解説。ショートカットとの違い、PWA・Manifest・HTTPS・アイコン設定、追加後の起動先がおかしい場合まで順番に確認します。https://tips.ojapp.app/en/ios-pwa-window-print-2/https://tips.ojapp.app/en/ios-pwa-window-print-2/Wed, 30 Sep 2026 00:00:00 GMTI tested window.print() on an iPhone running iOS 27. Printing worked in Safari, but the same page did nothing when launched as a standalone PWA. Here is what happened with beforeprint, afterprint, and matchMedia('print').https://tips.ojapp.app/ios-pwa-window-print/https://tips.ojapp.app/ios-pwa-window-print/Wed, 30 Sep 2026 00:00:00 GMTiOS 27のiPhoneでwindow.print()を実機検証。Safariでは印刷できるのに、ホーム画面から起動したPWAでは反応なし。beforeprint、afterprint、matchMedia('print')まで確認して、どこで止まっているのかを切り分けました。https://tips.ojapp.app/en/pwa-change-launch-url-wrong-page-2/https://tips.ojapp.app/en/pwa-change-launch-url-wrong-page-2/Sat, 26 Sep 2026 00:00:00 GMTAdded a page to your home screen but the PWA opens a different page or the site homepage? Learn whether the launch URL can be changed, how start_url affects launches, what to try first, and when a normal browser bookmark is the better solution.https://tips.ojapp.app/en/pwa-multiple-install-same-domain-2/https://tips.ojapp.app/en/pwa-multiple-install-same-domain-2/Sat, 26 Sep 2026 00:00:00 GMTCan one domain provide multiple PWAs? This guide explains id, start_url, and scope, then explores 1S1A, 1G1A, 1P1A, and UDA: a model where users can define the final home screen entry through URL state.https://tips.ojapp.app/pwa-multiple-install-same-domain/https://tips.ojapp.app/pwa-multiple-install-same-domain/Sat, 26 Sep 2026 00:00:00 GMTPWAは同じドメインから1つしかインストールできないのでしょうか。id・scope・start_urlの役割と、1S1A・1G1A・1P1A、さらにURLの状態をユーザーが決めるUDAまで、複数のホーム画面入口を作る設計を整理します。https://tips.ojapp.app/pwa-change-launch-url-wrong-page/https://tips.ojapp.app/pwa-change-launch-url-wrong-page/Sat, 26 Sep 2026 00:00:00 GMTホーム画面に追加したWebサイトやPWAを開くと、保存したページではなくトップページが表示されることがあります。起動URLはあとから変更できるのか、追加し直しても直らない理由、start_urlとの関係、ブックマークとの使い分けを解説します。https://tips.ojapp.app/ios-27-pwa-top-blur-workaround/https://tips.ojapp.app/ios-27-pwa-top-blur-workaround/Thu, 24 Sep 2026 00:00:00 GMTiOS 27でPWAをホーム画面から開くと上部に広いブラーが表示されることがあります。CSSやmetaでは消せなかった表示が、ハンバーガーメニューの開閉で消えることを発見。固定パネルを使って再現した実機検証と回避策を紹介します。https://tips.ojapp.app/en/ios-27-pwa-top-blur-workaround-2/https://tips.ojapp.app/en/ios-27-pwa-top-blur-workaround-2/Thu, 24 Sep 2026 00:00:00 GMTiOS 27 can show a large blurred area at the top of a home screen PWA. CSS and status bar meta settings did not remove it, but opening and closing a drawer menu unexpectedly did. Here is the real-device experiment and fixed-panel workaround I used to reproduce the behavior.https://tips.ojapp.app/en/pwa-start-url-root-problem-2/https://tips.ojapp.app/en/pwa-start-url-root-problem-2/Tue, 22 Sep 2026 00:00:00 GMTUsing start_url:"/" is perfectly valid for a site-wide PWA, but it can conflict with what users expect when they add a specific page to their home screen. Here is why the choice of launch URL deserves more thought.https://tips.ojapp.app/pwa-start-url-root-problem/https://tips.ojapp.app/pwa-start-url-root-problem/Tue, 22 Sep 2026 00:00:00 GMTPWAのstart_urlに「/」を指定する設計は本当に最適なのでしょうか。サイト全体を1つのアプリにする利点と、ユーザーが追加したページではなくトップへ戻されるデメリットを整理し、1P1Aという別の設計も含めて考えます。https://tips.ojapp.app/en/pwa-manifest-only-without-service-worker-2/https://tips.ojapp.app/en/pwa-manifest-only-without-service-worker-2/Sat, 19 Sep 2026 00:00:00 GMTHow much of a PWA can you build with a Web App Manifest and no Service Worker? Based on 2026 Chrome behavior and real-device testing, this article covers installation, icons, standalone display, start_url, and what still requires a Service Worker.https://tips.ojapp.app/en/pwa-service-worker-required-2026-2/https://tips.ojapp.app/en/pwa-service-worker-required-2026-2/Sat, 19 Sep 2026 00:00:00 GMTDoes a PWA still require a Service Worker in 2026? Modern Chrome can install PWAs without one. This article compares the old PWA rule with current MDN guidance and real-device testing, and explains when Service Workers are actually needed.https://tips.ojapp.app/ecommerce-pwa-product-page-home-screen/https://tips.ojapp.app/ecommerce-pwa-product-page-home-screen/Sat, 19 Sep 2026 00:00:00 GMTECサイトをPWAにするメリットを解説。ショップ全体をアプリ化するだけでなく、気になる商品ページそのものを専用アイコンでホーム画面に残せば、検索やSNSを経由せず商品へ戻れる再訪導線を作れます。https://tips.ojapp.app/en/pwa-manifest-minimum-recommended-fields-2/https://tips.ojapp.app/en/pwa-manifest-minimum-recommended-fields-2/Sat, 19 Sep 2026 00:00:00 GMTHow much does a PWA manifest.json really need in 2026? This guide separates core Manifest fields from architecture-specific options such as id and scope, plus optional enhancements including screenshots, shortcuts, and theme colors.https://tips.ojapp.app/en/membership-site-pwa-login-home-screen-2/https://tips.ojapp.app/en/membership-site-pwa-login-home-screen-2/Sat, 19 Sep 2026 00:00:00 GMTMembership sites are built for repeat visits. A PWA can give users a direct home screen entry to dashboards, reservations, lessons, or account pages instead of making them start from the public homepage every time.https://tips.ojapp.app/pwa-manifest-only-without-service-worker/https://tips.ojapp.app/pwa-manifest-only-without-service-worker/Sat, 19 Sep 2026 00:00:00 GMTService Workerなし、Web App ManifestだけでPWAはどこまで作れる？2026年のChromeと実機検証をもとに、ホーム画面へのインストール、アイコン、standalone表示、start_urlと、できないことを整理します。https://tips.ojapp.app/pwa-service-worker-required-2026/https://tips.ojapp.app/pwa-service-worker-required-2026/Sat, 19 Sep 2026 00:00:00 GMT「PWAにはService Workerが必須」と今でも思っていませんか？2026年現在のChromeでは、Service WorkerなしでもPWAのインストールは可能です。PWA LABでの実機検証と現在のMDNの記述をもとに、Service Workerが本当に必要な場面を整理します。https://tips.ojapp.app/pwa-suitable-websites-use-cases/https://tips.ojapp.app/pwa-suitable-websites-use-cases/Sat, 19 Sep 2026 00:00:00 GMTPWAはどんなサイトに向いている？ブログ、EC、Webツール、会員サイト、店舗サイトなど用途別に整理。重要なのはサイトの種類ではなく、ユーザーがそのURLへもう一度戻る理由があるかどうかです。https://tips.ojapp.app/pwa-manifest-id-multiple-install/https://tips.ojapp.app/pwa-manifest-id-multiple-install/Sat, 19 Sep 2026 00:00:00 GMTWeb App Manifestのidは何のためにある？省略時はstart_urlが識別子として使われる仕組みや、同じサイトに複数PWAを作る場合の注意点を、1P1Aの実験も交えて解説します。https://tips.ojapp.app/pwa-manifest-minimum-recommended-fields/https://tips.ojapp.app/pwa-manifest-minimum-recommended-fields/Sat, 19 Sep 2026 00:00:00 GMTPWAのmanifest.jsonには何をどこまで書けばいい？2026年現在のPWAを、まず用意したい基本項目、設計に応じて追加するid・scope、screenshotsやshortcutsなどの拡張項目に分けて整理します。https://tips.ojapp.app/pwa-scope-iphone-android-difference/https://tips.ojapp.app/pwa-scope-iphone-android-difference/Sat, 19 Sep 2026 00:00:00 GMTPWAのmanifestにあるscopeは何を決める設定？scope:"/"やディレクトリ指定、scopeなしを比較し、Androidでのアプリ範囲とiPhoneでの表示の違いをPWA LABの実機検証から解説します。https://tips.ojapp.app/pwa-manifest-screenshots-install-ui/https://tips.ojapp.app/pwa-manifest-screenshots-install-ui/Sat, 19 Sep 2026 00:00:00 GMTWeb App Manifestのscreenshotsは何に使う？PWAの機能画面や特徴を画像で伝え、対応環境のインストールUIを充実させる方法を解説。Android Chromeでの表示やform_factor、labelの指定方法も紹介します。https://tips.ojapp.app/web-tool-pwa-home-screen-launch/https://tips.ojapp.app/web-tool-pwa-home-screen-launch/Sat, 19 Sep 2026 00:00:00 GMTWebツールをPWAにするメリットを解説。ブラウザで使える便利なツールも、毎回URLを探すのは面倒です。ホーム画面に追加すれば、タイマーや計算機、生成ツールなどを1タップで起動する軽量アプリのように使えます。https://tips.ojapp.app/en/pwa-manifest-screenshots-install-ui-2/https://tips.ojapp.app/en/pwa-manifest-screenshots-install-ui-2/Sat, 19 Sep 2026 00:00:00 GMTWhat does the screenshots member in a Web App Manifest actually do? Learn how screenshots can enrich supported PWA install experiences, how Android Chrome uses them, and how to configure form_factor, label, and platform metadata.https://tips.ojapp.app/en/blog-pwa-home-screen-return-visits-2/https://tips.ojapp.app/en/blog-pwa-home-screen-return-visits-2/Sat, 19 Sep 2026 00:00:00 GMTTurning a blog into a PWA is not just about making it look like an app. The bigger opportunity is giving readers a direct home screen entry to your blog or a favorite article, creating a simple path for future return visits without relying on search or social media.https://tips.ojapp.app/en/pwa-scope-iphone-android-difference-2/https://tips.ojapp.app/en/pwa-scope-iphone-android-difference-2/Sat, 19 Sep 2026 00:00:00 GMTWhat does the scope field in a Web App Manifest actually control? Using real PWA LAB testing, this article compares root scope, directory scope, omitted scope, and the different practical effects observed on iPhone and Android.https://tips.ojapp.app/en/pwa-manifest-id-multiple-install-2/https://tips.ojapp.app/en/pwa-manifest-id-multiple-install-2/Sat, 19 Sep 2026 00:00:00 GMTWhat does the id field in a Web App Manifest actually do? Learn how browsers identify PWAs, why start_url becomes the identifier when id is omitted, and how id affects multiple PWA installations and page-level app design.https://tips.ojapp.app/en/pwa-suitable-websites-use-cases-2/https://tips.ojapp.app/en/pwa-suitable-websites-use-cases-2/Sat, 19 Sep 2026 00:00:00 GMTWhich websites are a good fit for PWA? Blogs, e-commerce, web tools, membership services, and local business sites can all benefit in different ways. The key question is simpler: does the user have a reason to return to the same URL?https://tips.ojapp.app/en/web-tool-pwa-home-screen-launch-2/https://tips.ojapp.app/en/web-tool-pwa-home-screen-launch-2/Sat, 19 Sep 2026 00:00:00 GMTA useful web tool should not require a search every time you need it. Turning a frequently used web tool into a PWA can give it a direct home screen entry, making timers, calculators, generators, converters, and other lightweight tools feel much closer to everyday apps.https://tips.ojapp.app/en/store-website-pwa-reservation-menu-coupon-2/https://tips.ojapp.app/en/store-website-pwa-reservation-menu-coupon-2/Sat, 19 Sep 2026 00:00:00 GMTA local business PWA does not have to be a full custom app. Restaurants, salons, clinics, and shops can use the home screen as a direct return path to reservations, menus, opening hours, coupons, and other pages customers use repeatedly.https://tips.ojapp.app/en/ecommerce-pwa-product-page-home-screen-2/https://tips.ojapp.app/en/ecommerce-pwa-product-page-home-screen-2/Sat, 19 Sep 2026 00:00:00 GMTPWA for e-commerce does not have to mean turning the entire store into one app. Individual product pages can become home screen entries, giving shoppers a direct way to return to products they are considering, waiting for, or buying repeatedly.https://tips.ojapp.app/blog-pwa-home-screen-return-visits/https://tips.ojapp.app/blog-pwa-home-screen-return-visits/Sat, 19 Sep 2026 00:00:00 GMTブログをPWAにすると何が変わる？アプリ化そのものより重要なのは、読者がブログやお気に入り記事をスマホのホーム画面に残し、検索やSNSを経由せず再訪できる入口を作れること。その使い方と向いているブログを解説します。https://tips.ojapp.app/membership-site-pwa-login-home-screen/https://tips.ojapp.app/membership-site-pwa-login-home-screen/Sat, 19 Sep 2026 00:00:00 GMT会員サイトをPWAにすると何が便利？トップページではなく、ログイン後によく使うマイページやダッシュボードをホーム画面の入口にすれば、毎回サイトを探す手間を減らせます。認証との関係やstart_urlの考え方も解説します。https://tips.ojapp.app/store-website-pwa-reservation-menu-coupon/https://tips.ojapp.app/store-website-pwa-reservation-menu-coupon/Sat, 19 Sep 2026 00:00:00 GMT店舗サイトをPWAにするメリットを解説。予約ページやメニュー、営業時間、クーポンなど、来店前に何度も確認する情報をホーム画面から開ける入口にできます。店舗アプリを作らずWebのまま再訪導線を作る考え方を紹介します。https://tips.ojapp.app/en/pwa-app-like-vs-web-like-design-2/https://tips.ojapp.app/en/pwa-app-like-vs-web-like-design-2/Sat, 12 Sep 2026 00:00:00 GMTShould a PWA try to look exactly like a native app? Explore standalone, fullscreen, home screen UX, links, URLs, and why keeping some of the web's natural behavior can produce a better PWA design.https://tips.ojapp.app/en/pwa-home-screen-icon-name-short-name-icons-2/https://tips.ojapp.app/en/pwa-home-screen-icon-name-short-name-icons-2/Sat, 12 Sep 2026 00:00:00 GMTWhat determines the name and icon of a PWA on the home screen? Learn how the Web App Manifest fields name, short_name, and icons work, why Android maskable icons matter, and how to design clearer home screen entry points.https://tips.ojapp.app/pwa-start-url-top-current-page-dedicated-url/https://tips.ojapp.app/pwa-start-url-top-current-page-dedicated-url/Sat, 12 Sep 2026 00:00:00 GMTPWAのstart_urlには何を指定すべき？サイトトップ、現在のページ、専用URL、start_url: "." の違いを整理し、1S1Aと1P1Aで設計がどう変わるのかを実機検証ベースで解説します。https://tips.ojapp.app/pwa-home-screen-icon-name-short-name-icons/https://tips.ojapp.app/pwa-home-screen-icon-name-short-name-icons/Sat, 12 Sep 2026 00:00:00 GMTPWAをホーム画面に追加した時の名前やアイコンは何で決まる？Web App Manifestのname・short_name・iconsの役割と、iPhone・Androidで実際の表示がどう変わるのかを分かりやすく解説します。https://tips.ojapp.app/pwa-app-like-vs-web-like-design/https://tips.ojapp.app/pwa-app-like-vs-web-like-design/Sat, 12 Sep 2026 00:00:00 GMTPWAはネイティブアプリのように見せるほど良いのでしょうか。standalone・fullscreen・ホーム画面UIなどを使いながら、Webのリンク性や軽さを残す設計とのバランスを実体験ベースで考えます。https://tips.ojapp.app/pwa-home-screen-benefits-return-visits/https://tips.ojapp.app/pwa-home-screen-benefits-return-visits/Sat, 12 Sep 2026 00:00:00 GMTPWAをホーム画面に追加するメリットを「再訪」という視点から解説。検索やSNSから訪れたWebページをホーム画面に残し、次回から1タップで戻れる入口に変えるPWAの価値と、追加後のUX設計を考えます。https://tips.ojapp.app/en/pwa-start-url-top-current-page-dedicated-url-2/https://tips.ojapp.app/en/pwa-start-url-top-current-page-dedicated-url-2/Sat, 12 Sep 2026 00:00:00 GMTWhat should a PWA start_url point to? Compare the site root, a fixed page, a dynamically resolved current page, a dedicated launch URL, and stateful URLs, including how start_url: "." fits page-level PWA design.https://tips.ojapp.app/en/pwa-home-screen-benefits-return-visits-2/https://tips.ojapp.app/en/pwa-home-screen-benefits-return-visits-2/Sat, 12 Sep 2026 00:00:00 GMTThe value of adding a PWA to the home screen is not just offline support, push notifications, or an app-like UI. It creates a direct return path to a useful web page. Learn how home screen access changes repeat visits and what you can build after users return.https://tips.ojapp.app/en/pwa-after-add-to-home-screen-2/https://tips.ojapp.app/en/pwa-after-add-to-home-screen-2/Wed, 09 Sep 2026 00:00:00 GMTA PWA is not finished when users add it to their home screen. The real value begins when they return through that icon. Learn how to detect standalone launches, change the UI for home screen users, show contextual offers, and measure whether your PWA is actually being used as a return path.https://tips.ojapp.app/en/pwa-security-safety-2/https://tips.ojapp.app/en/pwa-security-safety-2/Wed, 09 Sep 2026 00:00:00 GMTAre PWAs safe or dangerous? Learn how PWA security actually works by separating Web App Manifests, Service Workers, push notifications, localStorage, cookies, permissions, and normal web security.https://tips.ojapp.app/en/pwa-home-screen-launch-analytics-2/https://tips.ojapp.app/en/pwa-home-screen-launch-analytics-2/Wed, 09 Sep 2026 00:00:00 GMTLearn how to measure PWA launches from the home screen separately from normal website traffic. This guide explains why UTM parameters alone cannot reliably identify standalone launches and shows how to use display-mode: standalone with GA4 custom events or your own analytics endpoint.https://tips.ojapp.app/en/pwa-standalone-vs-fullscreen-2/https://tips.ojapp.app/en/pwa-standalone-vs-fullscreen-2/Wed, 09 Sep 2026 00:00:00 GMTWhat is the difference between display: standalone and fullscreen in a PWA Web App Manifest? Based on real iPhone and Android testing, this guide compares browser UI, app-like presentation, screen space, platform behavior, and when each display mode makes sense.https://tips.ojapp.app/en/pwa-vs-external-apk-2/https://tips.ojapp.app/en/pwa-vs-external-apk-2/Wed, 09 Sep 2026 00:00:00 GMTPWAs and externally distributed APKs can both bypass app stores, but they work very differently. Compare installation, updates, security, device access, and iPhone support.https://tips.ojapp.app/pwa-add-to-home-screen-best-timing/https://tips.ojapp.app/pwa-add-to-home-screen-best-timing/Wed, 09 Sep 2026 00:00:00 GMTPWAの「ホーム画面に追加」は、いつ案内するのが効果的？初回訪問ですぐ表示するのではなく、記事を読み終えた時、Webツールを使った後、再訪した時など、ユーザーが「また使いたい」と感じるタイミングからホーム画面追加のUXを考えます。https://tips.ojapp.app/pwa-standalone-vs-fullscreen/https://tips.ojapp.app/pwa-standalone-vs-fullscreen/Wed, 09 Sep 2026 00:00:00 GMTPWAのWeb App Manifestで指定するdisplay: standaloneとfullscreenは何が違う？AndroidとiPhoneで実機検証した結果をもとに、ブラウザUI、アプリ感、使いやすさの違いと、どちらを選ぶべきかをわかりやすく解説します。https://tips.ojapp.app/pwa-home-screen-launch-analytics/https://tips.ojapp.app/pwa-home-screen-launch-analytics/Wed, 09 Sep 2026 00:00:00 GMTPWAがホーム画面のアイコンから起動された回数をアクセス解析する方法を解説します。UTMパラメータだけでは区別しにくいホーム画面からの再訪を、display-mode: standaloneで判定し、GA4のカスタムイベントとして計測する実装例を紹介します。https://tips.ojapp.app/pwa-after-add-to-home-screen/https://tips.ojapp.app/pwa-after-add-to-home-screen/Wed, 09 Sep 2026 00:00:00 GMTPWAはホーム画面に追加できたら完成ではありません。本当に重要なのは、そのアイコンから再訪してもらうこと。ホーム画面起動の判定、専用UI、限定案内、アクセス解析まで、追加された後のPWA設計をわかりやすく解説します。https://tips.ojapp.app/en/minimal-pwa-quick-start-2/https://tips.ojapp.app/en/minimal-pwa-quick-start-2/Wed, 09 Sep 2026 00:00:00 GMTYou do not need Service Workers, push notifications, or complex caching to start with PWA. Learn how a minimal Web App Manifest—or one OJapp script—can add home screen support in minutes.https://tips.ojapp.app/en/pwa-future-web-vs-app-2/https://tips.ojapp.app/en/pwa-future-web-vs-app-2/Wed, 09 Sep 2026 00:00:00 GMTPWAs are often described as the Web getting closer to native apps. But what if the bigger question is whether apps can ever be as discoverable, linkable, and instantly usable as the Web?https://tips.ojapp.app/en/pwa-user-defined-app-2/https://tips.ojapp.app/en/pwa-user-defined-app-2/Wed, 09 Sep 2026 00:00:00 GMTPWA UDA (User Defined App) is a design philosophy where users choose the page, feature, or URL state they want to keep as their own app. Learn how query parameters, 1P1A, and home screen entry points make it possible.https://tips.ojapp.app/en/html-head-meta-tags-2/https://tips.ojapp.app/en/html-head-meta-tags-2/Wed, 09 Sep 2026 00:00:00 GMTWhat should you include in the HTML head? Learn the essential charset, viewport, title, description, canonical, OGP, favicon, and social meta tags, plus outdated tags you can safely skip.https://tips.ojapp.app/en/pwa-add-to-home-screen-best-timing-2/https://tips.ojapp.app/en/pwa-add-to-home-screen-best-timing-2/Wed, 09 Sep 2026 00:00:00 GMTWhen is the best time to suggest adding a PWA to the home screen? Instead of asking immediately on the first visit, consider moments when users have already experienced value: after reading an article, completing a web tool task, returning to the site, or finishing a booking.https://tips.ojapp.app/en/pwa-detect-standalone-launch-2/https://tips.ojapp.app/en/pwa-detect-standalone-launch-2/Tue, 08 Sep 2026 00:00:00 GMTLearn how to detect whether a PWA is running in a normal browser or in standalone mode using JavaScript. This guide covers matchMedia('(display-mode: standalone)'), the iOS navigator.standalone fallback, practical code examples, and important limitations of home screen launch detection.https://tips.ojapp.app/en/pwa-home-screen-only-content-2/https://tips.ojapp.app/en/pwa-home-screen-only-content-2/Tue, 08 Sep 2026 00:00:00 GMTLearn how to change a PWA's interface only when it is running from the home screen. Using display-mode: standalone and navigator.standalone, you can show special messages, menus, offers, or coupons for standalone users while keeping the normal browser experience unchanged.https://tips.ojapp.app/en/home-screen-website-app-or-bookmark-3/https://tips.ojapp.app/en/home-screen-website-app-or-bookmark-3/Tue, 08 Sep 2026 00:00:00 GMTWhen you add a website to your iPhone or Android home screen, does it become an app or is it just a bookmark? This guide explains the difference between ordinary home screen website shortcuts and PWAs, including manifests, icons, launch URLs, standalone display, offline support, and more.https://tips.ojapp.app/pwa-detect-standalone-launch/https://tips.ojapp.app/pwa-detect-standalone-launch/Tue, 08 Sep 2026 00:00:00 GMTPWAが通常のブラウザで開かれたのか、ホーム画面からstandalone表示で起動されたのかをJavaScriptで判定する方法を解説します。matchMedia('(display-mode: standalone)')の使い方、iPhone向けnavigator.standalone、実機確認の注意点まで紹介します。https://tips.ojapp.app/pwa-home-screen-only-content/https://tips.ojapp.app/pwa-home-screen-only-content/Tue, 08 Sep 2026 00:00:00 GMTPWAをホーム画面から起動した時だけメッセージやメニュー、限定案内、クーポンを表示する方法をJavaScriptで解説します。display-mode: standaloneとnavigator.standaloneを使い、通常のWeb閲覧とホーム画面起動でUIを出し分ける実装例を紹介します。https://tips.ojapp.app/en/delete-home-screen-website-data-2/https://tips.ojapp.app/en/delete-home-screen-website-data-2/Tue, 08 Sep 2026 00:00:00 GMTWhat happens when you remove a website or PWA from your iPhone or Android home screen? Learn what happens to your account, login session, cookies, localStorage, Service Worker caches, and other web data—and why deleting a home screen icon is not the same as deleting your account.https://tips.ojapp.app/home-screen-website-app-or-bookmark/https://tips.ojapp.app/home-screen-website-app-or-bookmark/Tue, 08 Sep 2026 00:00:00 GMTiPhoneやAndroidでWebサイトをホーム画面に追加すると、これはアプリ？それともブックマーク？通常のWebサイトへのショートカットとPWAの違いを、アイコン、起動方法、manifest、standalone表示などからわかりやすく解説します。https://tips.ojapp.app/delete-home-screen-website-data/https://tips.ojapp.app/delete-home-screen-website-data/Tue, 08 Sep 2026 00:00:00 GMTiPhoneやAndroidのホーム画面に追加したWebサイトやPWAを削除すると、ログイン情報やCookie、localStorage、キャッシュまで消えるのでしょうか。ホーム画面のアイコン削除とWebサイト側のデータ削除は別物です。何が消えて何が残るのかをわかりやすく解説します。https://tips.ojapp.app/pwa-vs-external-apk/https://tips.ojapp.app/pwa-vs-external-apk/Mon, 07 Sep 2026 00:00:00 GMTPWAとWebサイトから直接配布する外部APKは何が違う？どちらもGoogle Playを使わず配布できますが、PWAはWebアプリ、APKはAndroidアプリです。インストール方法、更新、安全性、端末機能、iPhone対応などの違いをわかりやすく比較します。https://tips.ojapp.app/hatena-blog-pwa/https://tips.ojapp.app/hatena-blog-pwa/Sun, 06 Sep 2026 00:00:00 GMTはてなブログを無料でPWA化し、スマホやPCへアプリとしてインストールできるようにする手順を解説します。詳細設定のhead欄へアイコン指定とOJapp FREEのスクリプトを追加するだけで導入できます。https://tips.ojapp.app/pwa-security-safety/https://tips.ojapp.app/pwa-security-safety/Thu, 03 Sep 2026 00:00:00 GMTPWAは安全なのか危険なのか。manifest.json、Service Worker、Push通知、localStorage、Cookieなどを分けながら、PWAそのものと実装する機能のセキュリティの違いをわかりやすく解説します。https://tips.ojapp.app/minimal-pwa-quick-start/https://tips.ojapp.app/minimal-pwa-quick-start/Wed, 02 Sep 2026 00:00:00 GMTPWAは最初からService WorkerやPush通知まで作る必要はありません。manifest.jsonだけで始める最小構成と、その少し面倒な部分を1行スクリプトで省く方法を実装例つきで解説します。https://tips.ojapp.app/html-head-meta-tags/https://tips.ojapp.app/html-head-meta-tags/Wed, 02 Sep 2026 00:00:00 GMTWebサイトを作ったとき、headには何を書けばいい？charset、viewport、title、description、canonical、OGP、faviconなど、現在使いたい基本設定をコピペできる形で解説。逆に、昔は使われていたけれど今は不要になった化石metaタグも紹介します。https://tips.ojapp.app/pwa-user-defined-app/https://tips.ojapp.app/pwa-user-defined-app/Mon, 31 Aug 2026 00:00:00 GMTPWA UDA（User Defined App）とは、開発者がAppの完成形を固定するのではなく、ユーザーがWeb上の機能・ページ・状態から自分に必要な入口を選び、自分のAppとして定義する設計思想です。Query Parameterを使ったタイマーの実機検証をもとに、1S1A・1P1Aの先にある考え方を解説します。https://tips.ojapp.app/pwa-future-web-vs-app/https://tips.ojapp.app/pwa-future-web-vs-app/Sun, 30 Aug 2026 00:00:00 GMTPWAはネイティブアプリを目指す技術なのでしょうか。検索ですぐ発見でき、インストール前から使え、必要ならホーム画面に残せるWeb。本記事では「AppはWebほど自由に発見・利用できるのか？」という逆の視点から、PWAとWebの未来を考えます。https://tips.ojapp.app/en/google-preferred-sources-button-2/https://tips.ojapp.app/en/google-preferred-sources-button-2/Sun, 30 Aug 2026 00:00:00 GMTGoogle now lets websites add a Preferred Sources button. Here’s what Preferred Sources are, how to add the button to WordPress, and how I solved an issue where the standard button did not appear.https://tips.ojapp.app/google-preferred-sources-button/https://tips.ojapp.app/google-preferred-sources-button/Sat, 29 Aug 2026 00:00:00 GMTGoogle検索の「Preferred Sources（優先するニュース提供元）」にサイトを追加できる公式ボタンが登場。ブログ運営者向けに仕組み、メリット、WordPressへの設置方法を実際のコード付きで解説します。https://tips.ojapp.app/pwa-development-cost-2026/https://tips.ojapp.app/pwa-development-cost-2026/Sat, 29 Aug 2026 00:00:00 GMTPWAの開発費は、ホーム画面への追加だけなら無料から始められる一方、オフライン対応やPush通知、本格的なWebアプリ開発では数十万〜数百万円になることもあります。2026年現在のPWAを目的別に分け、費用の違いをわかりやすく解説します。https://tips.ojapp.app/pwa-user-benefits/https://tips.ojapp.app/pwa-user-benefits/Wed, 26 Aug 2026 00:00:00 GMTPWAのメリットをユーザー側から考えます。ホーム画面へ追加する理由、start_urlによる起動体験、ページごとのアイコン、standalone表示、限定オファーなど、ユーザーがPWAを使いたくなるメリットの作り方を実例とともに解説します。https://tips.ojapp.app/en/pwa-1s1a-1p1a-manifest-2/https://tips.ojapp.app/en/pwa-1s1a-1p1a-manifest-2/Tue, 25 Aug 2026 00:00:00 GMTPWAs can be designed in two ways: 1S1A, which treats an entire site as one app, and 1P1A, which turns individual pages into separate apps. This article explains the differences in Web App Manifest design, Manifest management for 1P1A, and how dynamic generation simplifies the implementation.https://tips.ojapp.app/pwa-1s1a-1p1a-manifest/https://tips.ojapp.app/pwa-1s1a-1p1a-manifest/Mon, 24 Aug 2026 00:00:00 GMTPWAには、サイト全体を1つのアプリにする1S1Aと、ページごとにアプリ化する1P1Aという2つの設計があります。Web App Manifestの違いと、1P1Aで必要になるManifest管理、動的生成による実装方法を解説します。https://tips.ojapp.app/pwa-benefits-2026/https://tips.ojapp.app/pwa-benefits-2026/Sun, 23 Aug 2026 00:00:00 GMTPWAのメリットはオフラインや通知だけではありません。2026年現在、Webページをホーム画面に置き、アプリのような入口を作れること自体が大きなメリットです。manifestだけで始める軽量なPWAとService Workerが本当に必要なケースを解説します。https://tips.ojapp.app/en/pwa-benefits-2026-2/https://tips.ojapp.app/en/pwa-benefits-2026-2/Sun, 23 Aug 2026 00:00:00 GMTPWAのメリットはオフラインや通知だけではありません。2026年現在、Webページをホーム画面に置き、アプリのような入口を作れること自体が大きなメリットです。manifestだけで始める軽量なPWAとService Workerが本当に必要なケースを解説します。https://tips.ojapp.app/pwa-home-screen-add-missing-1s1a/https://tips.ojapp.app/pwa-home-screen-add-missing-1s1a/Fri, 21 Aug 2026 00:00:00 GMTChromeで「ホーム画面に追加」が消えて「アプリを開く」になるのはなぜ？実際に見つけた質問をもとにmanifest.jsonを確認すると、サイト全体を1アプリにする1S1A設計が原因として見えてきました。ページ単位で追加する1P1Aとの違いも解説します。https://tips.ojapp.app/pwa-problem-1p1a/https://tips.ojapp.app/pwa-problem-1p1a/Wed, 19 Aug 2026 00:00:00 GMT従来のPWAが抱える「サイト単位」の設計を見直し、1ページを1つのアプリとして扱う「1P1A（One Page. One App.）」という新しい設計思想を解説。ブックマークの手軽さとPWAの快適さを両立する、ページ単位のホーム画面体験を紹介します。https://tips.ojapp.app/ojapp-pwa-code/https://tips.ojapp.app/ojapp-pwa-code/Tue, 18 Aug 2026 00:00:00 GMTWebサイトを最も簡単にアプリ化する方法を紹介。無料の1P1A・1S1AコードをHTMLに1行追加するだけで、manifest.jsonを作成せずWeb App Manifestを動的生成し、PWAとしてホーム画面に追加できる仕組みを解説します。https://tips.ojapp.app/pwa-explained/https://tips.ojapp.app/pwa-explained/Sun, 16 Aug 2026 00:00:00 GMT2026年最新のPWAを初心者向けに解説。1S1A・1P1Aという2つの新しい設計思想から、manifest.jsonでWebサイトをホーム画面に追加する仕組み、Service Workerの役割までわかりやすく紹介します。https://tips.ojapp.app/en/pwa-explained-2/https://tips.ojapp.app/en/pwa-explained-2/Sun, 16 Aug 2026 00:00:00 GMTA beginner-friendly guide to the latest PWA developments in 2026. Learn about two new design philosophies—1S1A (One Site. One App.) and 1P1A (One Page. One App.)—how manifest.json enables websites to be added to the home screen, and the role of Service Workers.https://tips.ojapp.app/en/home-screen-marketing-2/https://tips.ojapp.app/en/home-screen-marketing-2/Sun, 16 Aug 2026 00:00:00 GMTAn introduction to “Home Screen Marketing,” a new concept proposed by OJapp. Learn how PWA technology can bring products, articles, booking pages, and other content directly to a user’s home screen, creating a new marketing channel that drives repeat visits without relying on search.https://tips.ojapp.app/en/pwa-no-need-to-consider-2/https://tips.ojapp.app/en/pwa-no-need-to-consider-2/Sun, 16 Aug 2026 00:00:00 GMTAre you spending hours debating whether you should adopt PWA? If all you need is home screen support, modern PWA does not require large-scale development. This article introduces 1P1A, an approach that lets you create a better home screen experience on both iPhone and Android by adding just one line of code—much like the traditional `apple-touch-icon`.https://tips.ojapp.app/en/1p1a/https://tips.ojapp.app/en/1p1a/Sat, 15 Aug 2026 00:00:00 GMTLearn about 1P1A (One Page. One App.), a PWA design philosophy that treats each web page as its own app. Explore how page-specific icons and launch URLs create a new home screen experience beyond the traditional one-site, one-app model.https://tips.ojapp.app/en/pwa-1s1a-vs-1p1a-2/https://tips.ojapp.app/en/pwa-1s1a-vs-1p1a-2/Sat, 15 Aug 2026 00:00:00 GMTPWA design can be approached through two different philosophies: One Site. One App. (1S1A) and One Page. One App. (1P1A). This article explains why traditional PWAs cannot easily treat individual pages as independent apps, exploring how scope, start_url, and same-origin behavior work, along with the key characteristics and trade-offs of each approach.https://tips.ojapp.app/en/pwa_marketing_wp-plugin-2/https://tips.ojapp.app/en/pwa_marketing_wp-plugin-2/Sat, 15 Aug 2026 00:00:00 GMTHow Does PWA Change WordPress? Discover a new approach that turns each page into its own app. This PWA plugin helps encourage repeat visits and enables GA4 tracking. Learn how it can be used for blogs, e-commerce sites, salons, and more—and how adding pages to the home screen can create a new path for users to return to your site.https://tips.ojapp.app/pwa-no-need-to-consider/https://tips.ojapp.app/pwa-no-need-to-consider/Wed, 12 Aug 2026 00:00:00 GMTPWAを導入すべきか何時間も検討していませんか？ホーム画面対応だけなら、今のPWAは大規模な開発ではありません。apple-touch-iconのように1行追加するだけで、iPhone・Androidのホーム画面体験を整えられる1P1Aという方法を紹介します。https://tips.ojapp.app/pwa_marketing_wp-plugin/https://tips.ojapp.app/pwa_marketing_wp-plugin/Sun, 09 Aug 2026 00:00:00 GMTWordPressのPWA化で何が変わる？「1ページを1アプリに」する新発想のPWAプラグインで、リピート率向上やGA4計測を実現。ブログ・EC・サロン等での活用例と、サイトの再訪問を生み出す導入メリットを解説！https://tips.ojapp.app/home-screen-marketing/https://tips.ojapp.app/home-screen-marketing/Sun, 09 Aug 2026 00:00:00 GMTOJappが提案する「ホーム画面マーケティング」とは何かを解説。PWAを使って商品や記事、予約ページをホーム画面へ追加し、検索ではなくホーム画面から直接アクセスされる新しいマーケティング手法を紹介します。https://tips.ojapp.app/pwa-1s1a-vs-1p1a/https://tips.ojapp.app/pwa-1s1a-vs-1p1a/Fri, 07 Aug 2026 00:00:00 GMTPWAには「One Site. One App.（1S1A）」と「One Page. One App.（1P1A）」という2つの設計思想があります。本記事では、なぜ従来のPWAでは個別ページを独立したアプリにできないのか、scope・start_url・同一オリジンの仕組みを交えながら、それぞれの特徴とトレードオフを解説します。https://tips.ojapp.app/1p1a-2/https://tips.ojapp.app/1p1a-2/Wed, 05 Aug 2026 00:00:00 GMT1P1A（One Page. One App.）とは、Webサイト全体ではなく、1ページを1つのアプリとして扱うPWAの設計思想です。ページごとのアイコンや起動URLを活用し、従来の「1サイト＝1アプリ」を超えた新しいホーム画面体験を解説します。https://tips.ojapp.app/en/pwa-start-url-dot-best-practice-2/https://tips.ojapp.app/en/pwa-start-url-dot-best-practice-2/Sat, 11 Jul 2026 00:00:00 GMTMDN recommends avoiding unique user identifiers in start_url. Using start_url with a relative path allows the currently displayed page to be added directly to the home screen, making the same approach suitable for e-commerce sites, blogs, and profile pages.https://tips.ojapp.app/pwa-start-url-dot-best-practice/https://tips.ojapp.app/pwa-start-url-dot-best-practice/Sat, 11 Jul 2026 00:00:00 GMTMDNでは、start_url にユーザーIDなどの一意な情報を含めないことが推奨されています。start_url に相対パスを指定すれば、現在表示しているページをそのままホーム画面へ追加でき、ECサイトやブログ、プロフィールページなどにも応用できます。https://tips.ojapp.app/en/iphone-home-icon-auto-generated-theme-color-2/https://tips.ojapp.app/en/iphone-home-icon-auto-generated-theme-color-2/Sat, 04 Jul 2026 00:00:00 GMTWhile testing Add to Home Screen behavior in PWA LAB with a nonexistent URL, I found that iPhone can generate a fallback icon from the site name and theme_color.https://tips.ojapp.app/iphone-home-icon-auto-generated-theme-color/https://tips.ojapp.app/iphone-home-icon-auto-generated-theme-color/Sat, 04 Jul 2026 00:00:00 GMTPWA LABで存在しないURLを指定してホーム画面追加を検証したところ、iPhoneではtheme_colorとサイト名から自動生成アイコンが作られる挙動を確認しました。https://tips.ojapp.app/en/ios-android-pwa-goal-difference-3/https://tips.ojapp.app/en/ios-android-pwa-goal-difference-3/Tue, 23 Jun 2026 00:00:00 GMTWhat is the real difference between PWAs on Android and iPhone? Android tries to turn the Web into apps, while iPhone focuses on placing web pages on the home screen.https://tips.ojapp.app/ios-android-pwa-goal-difference/https://tips.ojapp.app/ios-android-pwa-goal-difference/Tue, 23 Jun 2026 00:00:00 GMTAndroidとiPhoneのPWAは何が違うのか。AndroidはWebをアプリ化し、iPhoneはWebページをホーム画面に置く体験を重視しているという視点で整理します。https://tips.ojapp.app/en/make-pwa-feel-like-native-app/https://tips.ojapp.app/en/make-pwa-feel-like-native-app/Sat, 13 Jun 2026 00:00:00 GMTA PWA can be added to the home screen, but that alone does not make it feel native. Here are practical UX tips for improving PWA behavior on iPhone and Android.https://tips.ojapp.app/en/pwa-ios-2026-complete-guide/https://tips.ojapp.app/en/pwa-ios-2026-complete-guide/Sat, 13 Jun 2026 00:00:00 GMTWhat can PWAs really do on iPhone in 2026? This guide explains iOS PWA support, Safari limitations, home screen behavior, scope, icons, offline support, and common traps.https://tips.ojapp.app/pwa-scope-ios-android-google-ui-debug/https://tips.ojapp.app/pwa-scope-ios-android-google-ui-debug/Wed, 10 Jun 2026 00:00:00 GMT【PWA事件簿】iPhoneのミニUIを消したくて、Androidを巻き込んだら、上下から謎のAI?に挟み撃ちにされた話 こんにちは、OJappです。 今回は、ここ数日間で私が体験した、 「PWA（Progressive Web Apps）の仕様の深淵に触れて脳汁が出た後に、ブラウザの過保護なAI?にキレ散らかした」 という、実録デバッグドキュメンタリーをおhttps://tips.ojapp.app/en/pwa-display-fullscreen-iphone-android-2/https://tips.ojapp.app/en/pwa-display-fullscreen-iphone-android-2/Sun, 07 Jun 2026 00:00:00 GMTThe PWA display: fullscreen setting can make Android PWAs feel very app-like, but iPhone behavior is different. Here is what I learned from testing it in PWA LAB.https://tips.ojapp.app/pwa-manifest-json-basics/https://tips.ojapp.app/pwa-manifest-json-basics/Sun, 07 Jun 2026 00:00:00 GMTPWAに必要なmanifest.jsonの基本を初心者向けに解説。iPhoneで効く項目、Android Chromeでインストール候補にするための設定、アイコンやscopeの注意点をまとめます。https://tips.ojapp.app/en/pwa-manifest-id-duplicate-install/https://tips.ojapp.app/en/pwa-manifest-id-duplicate-install/Sun, 07 Jun 2026 00:00:00 GMTAndroid Chromeで同じPWAを複数・連続インストールできない仕様にお悩みですか？マニフェストから id を消し、start_url: "." にするだけで、Service Workerのオフライン機能を残したままアプリを無限に量産できる、実機検証から生まれた最強のPWAハックを解説します！https://tips.ojapp.app/en/pwa-start-url-dot/https://tips.ojapp.app/en/pwa-start-url-dot/Sun, 07 Jun 2026 00:00:00 GMTThe PWA start_url setting decides what opens from the home screen. Here is why start_url: "." can feel more natural when each page should become its own entrance.https://tips.ojapp.app/what-is-aio-seo-difference/https://tips.ojapp.app/what-is-aio-seo-difference/Tue, 02 Jun 2026 00:00:00 GMTAIOとは何か、SEOとの違い、AIに好まれる情報の特徴、今できる対策を初心者向けに解説。PWA LABのような実験記事がなぜ強いのかも紹介します。https://tips.ojapp.app/pwa-icon-any-maskable-trap/https://tips.ojapp.app/pwa-icon-any-maskable-trap/Tue, 02 Jun 2026 00:00:00 GMTPWAのアイコン指定でany maskableだけを使うと、AndroidとiPhoneで見え方がズレることがあります。manifest.jsonに通常アイコンとmaskableアイコンを分けて書く理由を解説します。https://tips.ojapp.app/pwa-maskable-icon-any-maskable/https://tips.ojapp.app/pwa-maskable-icon-any-maskable/Sun, 31 May 2026 00:00:00 GMTPWAのmaskableアイコンをiPhone・Android・PC Chromeで検証。purpose: maskableだけで起きた不具合と、any maskable、apple-touch-iconの注意点を解説します。https://tips.ojapp.app/en/how-pwa-offline-support-works/https://tips.ojapp.app/en/how-pwa-offline-support-works/Fri, 29 May 2026 00:00:00 GMTPWA offline support works by caching required files in advance with a Service Worker. Here is how it works, what to cache, and what to watch out for.https://tips.ojapp.app/en/how-to-check-pwa-status/https://tips.ojapp.app/en/how-to-check-pwa-status/Fri, 29 May 2026 00:00:00 GMTWhen building a PWA, it can be hard to tell whether it is really working. Here is how to check PWA status using mode, online state, Service Worker, push permission, OS, and installable status.https://tips.ojapp.app/en/why-i-built-pwa-lab/https://tips.ojapp.app/en/why-i-built-pwa-lab/Fri, 29 May 2026 00:00:00 GMTPWA behavior can change depending on the browser, OS, Service Worker, manifest, and cache. Here is why I built PWA LAB to test real PWA status.https://tips.ojapp.app/en/pwa-install-button-not-showing-2/https://tips.ojapp.app/en/pwa-install-button-not-showing-2/Fri, 29 May 2026 00:00:00 GMTIf your PWA install button is not showing, the cause is often a missing manifest setting, Service Worker issue, HTTPS problem, or browser-specific behavior.https://tips.ojapp.app/pwa-display-fullscreen-iphone-android/https://tips.ojapp.app/pwa-display-fullscreen-iphone-android/Wed, 27 May 2026 00:00:00 GMTPWAのmanifest.jsonで指定できるdisplay: fullscreenを、iPhoneとAndroidで実際に比較。standaloneとの違いや実用性を解説します。https://tips.ojapp.app/pwa-manifest-id-conflict/https://tips.ojapp.app/pwa-manifest-id-conflict/Sun, 24 May 2026 00:00:00 GMTAndroid Chromeで同じPWAを複数・連続インストールできない仕様にお悩みですか？マニフェストから id を消し、start_url: "." にするだけで、Service Workerのオフライン機能を残したままアプリを無限に量産できる、実機検証から生まれた最強のPWAハックを解説します！https://tips.ojapp.app/why-i-made-pwa-lab/https://tips.ojapp.app/why-i-made-pwa-lab/Sat, 23 May 2026 00:00:00 GMTPWA LABを作った理由を、iPhone Safari、Android Chrome、Service Worker、manifest、キャッシュ挙動の実験からやさしく解説します。https://tips.ojapp.app/pwa-start-url-dot-2/https://tips.ojapp.app/pwa-start-url-dot-2/Sat, 23 May 2026 00:00:00 GMTPWAのstart_urlを「.」にすると何が起きるのか。ホーム画面に追加したページへ戻る設計や、/lab固定との違いを実験ベースで解説します。https://tips.ojapp.app/pwa-status-check/https://tips.ojapp.app/pwa-status-check/Mon, 18 May 2026 00:00:00 GMTPWAが正しく動いているか確認するために、MODE、ONLINE、Service Worker、Push、OS、Installableの意味を初心者向けに解説します。https://tips.ojapp.app/pwa-install-button-not-showing/https://tips.ojapp.app/pwa-install-button-not-showing/Sat, 16 May 2026 00:00:00 GMTPWAを作ったのにインストールボタンが出ない原因を、manifest.json、Service Worker、HTTPS、ブラウザ対応の違いからわかりやすく解説します。https://tips.ojapp.app/pwa-offline-support-basics/https://tips.ojapp.app/pwa-offline-support-basics/Sat, 16 May 2026 00:00:00 GMTPWAをオフラインでも使えるようにする仕組みを、Service Worker、Cache API、保存するファイルの考え方から初心者向けに解説します。https://tips.ojapp.app/iphone-image-save-not-working/https://tips.ojapp.app/iphone-image-save-not-working/Fri, 01 May 2026 00:00:00 GMTiPhoneで画像が保存できない原因を完全解説。長押しできない、保存ボタンが出ない、写真アプリに表示されないなどのトラブルをパターン別に解決します。https://tips.ojapp.app/en/iphone-cant-save-images/https://tips.ojapp.app/en/iphone-cant-save-images/Fri, 01 May 2026 00:00:00 GMTCan’t save images on iPhone? Learn why long press isn’t working, why the save option is missing, and how to fix image download issues step by step.https://tips.ojapp.app/en/is-pwa-dead-2026/https://tips.ojapp.app/en/is-pwa-dead-2026/Wed, 29 Apr 2026 00:00:00 GMTIs PWA dead in 2026? Not exactly. Learn the real situation across iOS and Android, why adoption slowed down, and the correct way to use PWAs today.https://tips.ojapp.app/pwa-future-2026/https://tips.ojapp.app/pwa-future-2026/Wed, 29 Apr 2026 00:00:00 GMTPWAはもう使えないのか？2026年の現実をもとに、iOSとAndroidの違い、なぜ普及しなかったのか、そして今の正しい使い方をわかりやすく解説します。https://tips.ojapp.app/en/ios-pwa-url-change-fix/https://tips.ojapp.app/en/ios-pwa-url-change-fix/Wed, 29 Apr 2026 00:00:00 GMTWhy does iOS save a different URL when adding a PWA to the home screen? Learn how manifest.json, start_url, and maskable icons cause this issue—and how to fix it.https://tips.ojapp.app/pwa-password-rebuild-story/https://tips.ojapp.app/pwa-password-rebuild-story/Thu, 23 Apr 2026 00:00:00 GMTパスワードを忘れるたびに始末書を書く──そんな状況を、たった1枚のPWAで救った実話。保存しないパスワード生成という新しい発想と、その裏にある技術と思想を解説します。https://tips.ojapp.app/ios_pwa_manifest/https://tips.ojapp.app/ios_pwa_manifest/Thu, 23 Apr 2026 00:00:00 GMTiPhoneでWebページをホーム画面に追加したとき、今見ていたページではなく、別のURLが保存されてしまうことがあります。 PetalまわりのPWA設定を見直していて、かなり分かりやすい罠にハマりました。 iPhoneであるページを開いて「ホーム画面に追加」したのに、追加したアイコンから開くと、さっき見ていたURLとは違うページに飛んでしまう。 最初はSahttps://tips.ojapp.app/pwa-native-ux-hacks/https://tips.ojapp.app/pwa-native-ux-hacks/Sat, 11 Apr 2026 00:00:00 GMTPWAをネイティブアプリのように見せるためのUX改善ポイントを解説。スプラッシュ、theme-color、safe-area、スクロール挙動、iPhoneとAndroidの違いまで実験ベースで整理します。https://tips.ojapp.app/pwa-ios-capabilities/https://tips.ojapp.app/pwa-ios-capabilities/Sat, 11 Apr 2026 00:00:00 GMTPWAはiPhoneでどこまで使える？2026年時点での「できること」「できないこと」を完全整理。Safariの制限やWebClipとの違いも含めて、初心者にもわかりやすく解説します。https://tips.ojapp.app/sns_tired/https://tips.ojapp.app/sns_tired/Sat, 11 Apr 2026 00:00:00 GMTSNSに疲れたときの対処法として「見ない」がよく言われますが、それだけでは続かない人も多いはず。本記事では、SNSをやめずに負担を減らす新しい使い方と、Petalという選択肢を紹介します。https://tips.ojapp.app/pwa-icon-design-guide-2026/https://tips.ojapp.app/pwa-icon-design-guide-2026/Sat, 11 Apr 2026 00:00:00 GMTWebサイトをスマホの「ホーム画面」に違和感なく馴染ませるためのPWAアイコン設計を解説。manifest.jsonの秘匿プロパティから、iOS/Androidで美しく見せるアセット書き出しのコツまで。https://tips.ojapp.app/silent-home-screen/https://tips.ojapp.app/silent-home-screen/Sat, 11 Apr 2026 00:00:00 GMTPWAは通知を送れる。けれど、Petalはあえて「通知ゼロ」を選んだ。デジタルデトックスの観点から、ホーム画面職人が語る「通知を実装しない技術的勇気」と、静かなUXの作り方。https://tips.ojapp.app/home-screen-business-card/https://tips.ojapp.app/home-screen-business-card/Tue, 07 Apr 2026 00:00:00 GMTホーム画面名刺とは何か？QRやURLでつながり、相手のスマホに直接残る新しい名刺の形。Petalの仕組みと、従来のSNSやデジタル名刺との違いをわかりやすく解説します。https://tips.ojapp.app/en/iphone-add-to-home-2/https://tips.ojapp.app/en/iphone-add-to-home-2/Mon, 06 Apr 2026 00:00:00 GMTLearn how to add a website to your iPhone home screen step by step. This beginner-friendly guide explains the Safari method, how WebClips work, and tips to make it easier in 2026.https://tips.ojapp.app/en/ios-pwa-not-working-fix/https://tips.ojapp.app/en/ios-pwa-not-working-fix/Mon, 06 Apr 2026 00:00:00 GMTIs your PWA not working on iPhone? Learn the real causes—Safari limitations, cache issues, Service Worker problems—and how to fix them quickly in 2026.https://tips.ojapp.app/pwa-not-working-iphone/https://tips.ojapp.app/pwa-not-working-iphone/Mon, 06 Apr 2026 00:00:00 GMTiPhoneでPWAが動かない原因は？Safariの仕様変更やService Workerの問題、キャッシュの影響などをわかりやすく解説。今すぐ試せる対処法もまとめたトラブル解決ガイド。https://tips.ojapp.app/iphone-add-to-home/https://tips.ojapp.app/iphone-add-to-home/Mon, 06 Apr 2026 00:00:00 GMTiPhoneでホーム画面にWebサイトやアプリを追加する方法をわかりやすく解説。Safariの操作手順からアイコン設定まで、2026年最新版のやり方を初心者向けにまとめました。https://tips.ojapp.app/safari-pwa-limitations/https://tips.ojapp.app/safari-pwa-limitations/Mon, 06 Apr 2026 00:00:00 GMTSafariでPWAはどこまで使える？できること・できないことを2026年時点でわかりやすく整理。Service WorkerやWebClipの違い、iPhoneでの現実的な使い方まで解説します。https://tips.ojapp.app/en/safari-pwa-limitations-2/https://tips.ojapp.app/en/safari-pwa-limitations-2/Mon, 06 Apr 2026 00:00:00 GMTWhat are the limitations of PWA on Safari? This guide explains what still works, what doesn’t, and why iPhone behaves differently in 2026. A clear breakdown for developers and beginners.https://tips.ojapp.app/petal/https://tips.ojapp.app/petal/Mon, 30 Mar 2026 00:00:00 GMT名刺がアプリになる？Petal名刺はホーム画面に追加してつながる新しい名刺の形です。紙の名刺との違いや使い方、軽いつながりを残す仕組みを紹介します。https://tips.ojapp.app/pwa-iphone-dead/https://tips.ojapp.app/pwa-iphone-dead/Sat, 21 Mar 2026 00:00:00 GMTiPhoneでPWAは本当に使えなくなったのか？2024年以降のSafari仕様変更を踏まえ、2026年時点の結論をわかりやすく解説。何ができて何ができないのか、代替手段も含めてまとめます。https://tips.ojapp.app/en/pwa-iphone-dead-2/https://tips.ojapp.app/en/pwa-iphone-dead-2/Sat, 21 Mar 2026 00:00:00 GMTIs PWA still usable on iPhone? This guide explains what changed after 2024, what still works in 2026, and why Safari now behaves differently. Learn the real limitations and practical alternatives.https://tips.ojapp.app/en/pwa-vs-webclip2/https://tips.ojapp.app/en/pwa-vs-webclip2/Sat, 21 Mar 2026 00:00:00 GMTWhat’s the difference between PWA and WebClip? This guide explains how both work, why PWA struggles on iPhone, and why WebClip is now the more practical choice in 2026.https://tips.ojapp.app/pwa-vs-webclip/https://tips.ojapp.app/pwa-vs-webclip/Sat, 21 Mar 2026 00:00:00 GMTPWAとWebClipの違いをわかりやすく解説。iPhoneではなぜPWAがうまく動かないのか？代わりにWebClipを使うべき理由とは？2026年時点の最適な選択をまとめました。https://tips.ojapp.app/safari-pwa-not-working/https://tips.ojapp.app/safari-pwa-not-working/Sat, 21 Mar 2026 00:00:00 GMTSafari（iPhone）でPWAが動かないのはなぜ？Service Workerやホーム画面アプリが制限される理由、Appleの仕様変更、2026年時点の正しい理解を初心者にもわかりやすく解説します。https://tips.ojapp.app/en/safari-pwa-not-working-2/https://tips.ojapp.app/en/safari-pwa-not-working-2/Sat, 21 Mar 2026 00:00:00 GMTWhy doesn’t your PWA work on Safari or iPhone? This guide explains the real reasons—Apple’s limitations, Service Worker issues, WebClip behavior, and what actually changed between 2024 and 2026.https://tips.ojapp.app/en/mobile-drop-off-moments/https://tips.ojapp.app/en/mobile-drop-off-moments/Tue, 17 Feb 2026 00:00:00 GMTMobile users leave pages within seconds. This article explains the exact moments when readers drop off—slow loading, poor UI, missing answers, intrusive ads—and how to keep them engaged.https://tips.ojapp.app/mobile-exit-patterns/https://tips.ojapp.app/mobile-exit-patterns/Tue, 17 Feb 2026 00:00:00 GMTスマホ読者は“どの瞬間に”ページを離れるのか？スクロール開始から3秒、1画面目の情報密度、読み込み待ち、広告配置、指の動線など、モバイル特有の離脱ポイントを具体的に解説。ブログ・SEO改善に必須の行動データをまとめました。https://tips.ojapp.app/pwa-cache-strategy/https://tips.ojapp.app/pwa-cache-strategy/Sat, 14 Feb 2026 00:00:00 GMTPWAの仕組みで最も重要な「キャッシュ戦略」。Cache First・Network First・Stale-While-Revalidate の違いを、初心者にもわかる図解レベルで解説。表示速度・更新反映・ユーザー体験がどう変わるのかをわかりやすくまとめています。https://tips.ojapp.app/en/pwa-cache-strategy-2/https://tips.ojapp.app/en/pwa-cache-strategy-2/Sat, 14 Feb 2026 00:00:00 GMTLearn how PWA cache strategies work and why your site sometimes “doesn’t update.” This beginner-friendly guide explains Cache First, Network First, and Stale-While-Revalidate with clear examples, helping you choose the best strategy for speed, reliability, and SEO.https://tips.ojapp.app/en/pwa-seo-2/https://tips.ojapp.app/en/pwa-seo-2/Thu, 12 Feb 2026 00:00:00 GMTDo PWAs help SEO? This guide explains the real relationship between Progressive Web Apps and search rankings—covering speed benefits, UX improvements, caching risks, indexing problems, and why Safari’s 2026 changes matter.https://tips.ojapp.app/pwa-seo/https://tips.ojapp.app/pwa-seo/Thu, 12 Feb 2026 00:00:00 GMTPWA（Progressive Web Apps）はSEOにどんな影響を与えるのか？高速表示・UX向上というメリットから、インデックスの難しさ・解析の複雑化といったデメリットまで、2026年時点での最新知識をわかりやすく解説。https://tips.ojapp.app/en/safari-pwa-end-2/https://tips.ojapp.app/en/safari-pwa-end-2/Wed, 11 Feb 2026 00:00:00 GMTSafari gradually phased out PWA support between 2024 and 2026. This article explains—in plain, non-technical language—what actually ended, what still works, why Apple made this decision, and how it affects “Add to Home Screen” on iPhone.https://tips.ojapp.app/safari-pwa-end/https://tips.ojapp.app/safari-pwa-end/Wed, 11 Feb 2026 00:00:00 GMTiOSがPWA（ホーム画面インストール機能）のサポートを段階的に終了した理由を、一般ユーザーにもわかる形で解説。なぜ廃止されたのか？どんな影響があるのか？WebClipとの違いは？2026年時点の最新状況をまとめます。https://tips.ojapp.app/ai-seo/https://tips.ojapp.app/ai-seo/Mon, 09 Feb 2026 00:00:00 GMTChatGPTなどのAIで書いた記事がなぜ検索で伸びにくいのかを、最新のSEO事情から解説。共通する失敗例、AI特有の弱点、そして“AIを使っても伸びる記事”の作り方を具体的に紹介します。https://tips.ojapp.app/en/scroll-seo-2/https://tips.ojapp.app/en/scroll-seo-2/Mon, 09 Feb 2026 00:00:00 GMTScroll speed has become a key UX signal in mobile-first SEO. This article explains why users leave within seconds, how scrolling behavior affects rankings, and what makes readers continue or abandon a page.https://tips.ojapp.app/en/seo-beginner-mistakes/https://tips.ojapp.app/en/seo-beginner-mistakes/Mon, 09 Feb 2026 00:00:00 GMTNew to SEO? Many beginners accidentally hurt their rankings without realizing it. This guide explains the top 10 common mistakes — and how to fix them today.https://tips.ojapp.app/en/ai-seo-2/https://tips.ojapp.app/en/ai-seo-2/Mon, 09 Feb 2026 00:00:00 GMTAI-generated content often struggles to rank in search results. This article explains why AI articles underperform, the common pitfalls, and the exact writing methods that make AI-assisted content rank well in 2026.https://tips.ojapp.app/scroll-seo/https://tips.ojapp.app/scroll-seo/Mon, 09 Feb 2026 00:00:00 GMTスマホ時代のSEOで重要度が急上昇している「スクロール速度」。読者が離脱するタイミング、読みやすい段落構造、滞在時間との関係をわかりやすく解説。スマホ検索を意識したSEO改善のポイントが丸わかり。https://tips.ojapp.app/seo-mistakes/https://tips.ojapp.app/seo-mistakes/Mon, 09 Feb 2026 00:00:00 GMTSEO初心者がやってしまいがちな「逆効果の行動」を10個ピックアップし、なぜ検索順位を落とすのかをわかりやすく解説。今日から直せる改善ポイントもまとめた保存版。https://tips.ojapp.app/en/homescreen-image-sizes-2/https://tips.ojapp.app/en/homescreen-image-sizes-2/Fri, 06 Feb 2026 00:00:00 GMTA complete guide to the best image sizes for designing your smartphone home screen. Covers wallpapers, icons, widgets, safe areas on iPhone, recommended SNS ratios, and the ideal size for OJapp icons. Perfect for users who want to design everything directly on their phone.https://tips.ojapp.app/en/longpress-save-guide/https://tips.ojapp.app/en/longpress-save-guide/Fri, 06 Feb 2026 00:00:00 GMTLong-press saving is the fastest and most reliable way to save images on iPhone and Android. This guide explains why downloads often “don’t show up,” why images fail to appear in the Photos app, and how long-press saving solves every common issue. Perfect for beginners and OJapp Splitter users.https://tips.ojapp.app/en/mobile-blog-seo-2/https://tips.ojapp.app/en/mobile-blog-seo-2/Fri, 06 Feb 2026 00:00:00 GMTWriting blog posts on your smartphone can actually boost your SEO performance. This article explains why mobile writing improves search intent accuracy, clarity, UX alignment, and update frequency — all essential factors for higher rankings.https://tips.ojapp.app/homescreen-image-sizes/https://tips.ojapp.app/homescreen-image-sizes/Fri, 06 Feb 2026 00:00:00 GMTスマホだけでホーム画面をおしゃれにしたい人向けに、壁紙・アイコン・ウィジェットの最適な画像サイズをまとめて解説。iPhoneの安全領域、アイコンの視認性、SNS用比率、OJappアイコン生成に最適なサイズも紹介。https://tips.ojapp.app/mobile-blog-seo/https://tips.ojapp.app/mobile-blog-seo/Fri, 06 Feb 2026 00:00:00 GMTスマホでブログを書くとSEOに強くなる理由をわかりやすく解説。検索意図の精度・スピード重視の執筆・更新頻度の最適化など、スマホ執筆ならではのメリットを具体的に紹介し、初心者でも理解できる形でまとめました。https://tips.ojapp.app/longpress-save/https://tips.ojapp.app/longpress-save/Fri, 06 Feb 2026 00:00:00 GMTiPhone・Android の画像保存は「長押し → 写真へ保存」が最速で最も確実。ダウンロードとの違い、写真アプリに入らない問題、SNSやWebツールで起きやすい保存失敗の原因など、初心者にもわかりやすく解説。OJapp Splitter やアイコン作成にも応用できます。https://tips.ojapp.app/en/splitter-mobile-guide/https://tips.ojapp.app/en/splitter-mobile-guide/Thu, 05 Feb 2026 00:00:00 GMTOJapp Splitter supports only two essential aspect ratios—Square and 3:4—making mobile photo splitting fast, simple, and high-quality. This guide explains how to use Splitter effectively on smartphones for SNS posts, wallpapers, photo organization, and more.https://tips.ojapp.app/splitter-mobile-tips/https://tips.ojapp.app/splitter-mobile-tips/Thu, 05 Feb 2026 00:00:00 GMTOJapp Splitter は「正方形」と「3:4」の2種類の比率に特化した画像分割ツール。スマホだけで高速に分割でき、SNS投稿・壁紙作成・写真整理に最適。加工アプリ不要で、複数分割と高画質のまま保存できる実用テクニックを紹介します。https://tips.ojapp.app/petal-worker-r2/https://tips.ojapp.app/petal-worker-r2/Thu, 05 Feb 2026 00:00:00 GMTGitHub Pages では更新の遅延・キャッシュ問題・動的処理の限界に直面。Petal 開発を進める中で、Cloudflare Worker と R2 へ移行することで即時反映・API化・画像最適化が実現し、開発のストレスが激減。実際に起きた課題と移行後の改善点をまとめます。https://tips.ojapp.app/cookie-consent-tech/https://tips.ojapp.app/cookie-consent-tech/Tue, 03 Feb 2026 00:00:00 GMTなぜCookie同意バナーが必要なのか？GDPR・ePrivacy・サードパーティCookie規制・ITP・トラッキング技術など、初心者には見えない背景を中級者向けに詳しく解説します。https://tips.ojapp.app/en/samesite-basics-2/https://tips.ojapp.app/en/samesite-basics-2/Tue, 03 Feb 2026 00:00:00 GMTA beginner-friendly explanation of SameSite cookie attributes. Learn the differences between SameSite=Lax, Strict, and None, why modern browsers stopped sending cookies automatically, and how this affects web apps.https://tips.ojapp.app/samesite-basics/https://tips.ojapp.app/samesite-basics/Tue, 03 Feb 2026 00:00:00 GMTChromeで厳格化された「SameSite属性」を初心者でも理解できるように図解で解説。SameSite=Lax / Strict / None の違い、なぜCookieが勝手に送られなくなったのか、Webアプリにどう影響するのかをやさしく説明します。https://tips.ojapp.app/en/cookie-consent-tech-2/https://tips.ojapp.app/en/cookie-consent-tech-2/Tue, 03 Feb 2026 00:00:00 GMTWhy do websites need cookie consent banners? This intermediate-level guide explains the technical and legal background: GDPR, ePrivacy, first- vs third-party cookies, tracking technologies, ITP, SameSite, and why consent is required today.https://tips.ojapp.app/en/clear-cache-2/https://tips.ojapp.app/en/clear-cache-2/Tue, 03 Feb 2026 00:00:00 GMTMany users delete browser cache too often without knowing the risks. This guide explains when clearing cache is helpful, when it causes problems, and how developers handle Safari’s stubborn caching.https://tips.ojapp.app/en/why-cookie-popups-2/https://tips.ojapp.app/en/why-cookie-popups-2/Tue, 03 Feb 2026 00:00:00 GMTWhy do so many websites now ask for cookie consent? This beginner-friendly guide explains what cookies are, why consent pop-ups increased, which cookies are safe, and what you should allow or block.https://tips.ojapp.app/clear-cache/https://tips.ojapp.app/clear-cache/Tue, 03 Feb 2026 00:00:00 GMTSafariやChromeのキャッシュは便利だが、消すべき時と絶対に消さない方がいい時がある。Webツール開発者の実体験をもとに、キャッシュ削除の基準をわかりやすく解説。https://tips.ojapp.app/why-cookie-popups/https://tips.ojapp.app/why-cookie-popups/Tue, 03 Feb 2026 00:00:00 GMT最近どのサイトでも「Cookieを許可しますか？」と聞かれる理由を初心者向けに解説。危険なのか、安全なのか、Cookieの仕組みと同意が必要になった背景をわかりやすく説明します。https://tips.ojapp.app/en/browser-cache-explained/https://tips.ojapp.app/en/browser-cache-explained/Mon, 02 Feb 2026 00:00:00 GMTA clear explanation of browser caching, strong vs weak cache, ETag, and why website changes don’t update. Learn practical solutions to avoid stale content.https://tips.ojapp.app/css-can-and-cannot/https://tips.ojapp.app/css-can-and-cannot/Mon, 02 Feb 2026 00:00:00 GMTCSSで何ができて何ができないのかを、初心者でも理解できるように解説。色・レイアウト変更・アニメーションなど“できること”と、処理・データ保存・動的操作など“できないこと”の違いが一目でわかります。https://tips.ojapp.app/en/trend-2026-2/https://tips.ojapp.app/en/trend-2026-2/Mon, 02 Feb 2026 00:00:00 GMTHome Screen customization has changed dramatically between 2024–2026. Learn how Apple’s built-in features evolved, why theme packs lost demand, and why users now want freedom over presets.https://tips.ojapp.app/en/home-add-basic-2/https://tips.ojapp.app/en/home-add-basic-2/Mon, 02 Feb 2026 00:00:00 GMTLearn the quickest way to add any website to your Home Screen on iPhone and Android. Step-by-step instructions for Safari and Chrome, plus how to use your own custom icon.https://tips.ojapp.app/en/how-to-pwa-2/https://tips.ojapp.app/en/how-to-pwa-2/Mon, 02 Feb 2026 00:00:00 GMTLearn how to turn any website into a PWA. This guide explains manifest.json, Service Workers, icons, HTTPS requirements, and how to make your site installable on iPhone and Android.。https://tips.ojapp.app/en/icon-change-3/https://tips.ojapp.app/en/icon-change-3/Mon, 02 Feb 2026 00:00:00 GMTLearn how to change iPhone Home Screen icons without using the Shortcuts app. This guide explains why website icons can’t be changed normally and how OJapp lets you set any custom icon and name.https://tips.ojapp.app/en/create-one-webpage-free/https://tips.ojapp.app/en/create-one-webpage-free/Mon, 02 Feb 2026 00:00:00 GMTYou can create a web page for free using only your computer and a browser. No coding tools required. This beginner-friendly guide shows the simplest 10-minute workflow.https://tips.ojapp.app/en/make-icon-2/https://tips.ojapp.app/en/make-icon-2/Mon, 02 Feb 2026 00:00:00 GMTLearn how to create custom Home Screen icons for iPhone and Android. Includes recommended image sizes, Canva tutorials, photo app tips, and a comparison of the best tools including OJapp.https://tips.ojapp.app/en/publish-website-free-github-pages-2/https://tips.ojapp.app/en/publish-website-free-github-pages-2/Mon, 02 Feb 2026 00:00:00 GMTLearn how to publish your website for free using GitHub Pages. No server, no domain, no cost—just upload your HTML file and get a public URL.https://tips.ojapp.app/en/view-your-webpage-on-phone-2/https://tips.ojapp.app/en/view-your-webpage-on-phone-2/Mon, 02 Feb 2026 00:00:00 GMTA simple beginner-friendly guide on how to view a web page you created on your phone. No server needed. Learn the easiest free methods: online hosting, local Wi-Fi preview, and file transfer.https://tips.ojapp.app/html-css-js-easy-explanation/https://tips.ojapp.app/html-css-js-easy-explanation/Mon, 02 Feb 2026 00:00:00 GMTHTML・CSS・JavaScript の役割を「家づくり」に例えて超やさしく解説。これを読むだけで、3つの違いが一発で理解できます。https://tips.ojapp.app/en/html-css-and-javascript-explained-like-youre-10-years-old/https://tips.ojapp.app/en/html-css-and-javascript-explained-like-youre-10-years-old/Mon, 02 Feb 2026 00:00:00 GMTHTML・CSS・JavaScript の役割を「家づくり」に例えて超やさしく解説。これを読むだけで、3つの違いが一発で理解できます。https://tips.ojapp.app/history-of-ios-webclip/https://tips.ojapp.app/history-of-ios-webclip/Mon, 02 Feb 2026 00:00:00 GMTiOS がホーム画面にWebサイトを追加できる「WebClip」を初搭載したのは2007年。影キャッシュ問題の根本となった仕組みや、WebClipがどのように進化してきたのかを歴史的に解説します。https://tips.ojapp.app/en/home-add-cannot-3/https://tips.ojapp.app/en/home-add-cannot-3/Mon, 02 Feb 2026 00:00:00 GMTCan't find “Add to Home Screen” on your iPhone? Learn why it may be missing from Safari, including image share sheets, in-app browsers, hidden actions, PWA settings, icon issues, and incorrect launch URLs.https://tips.ojapp.app/icon-not-updating-shadow-cache/https://tips.ojapp.app/icon-not-updating-shadow-cache/Mon, 02 Feb 2026 00:00:00 GMTiPhoneでホーム画面アイコンが更新されない原因は、通常のキャッシュとは別にSafariが保持する“影キャッシュ”にあります。表示が変わらない理由と正しい更新方法をわかりやすく解説します。https://tips.ojapp.app/en/javascript-not-as-free-as-you-think/https://tips.ojapp.app/en/javascript-not-as-free-as-you-think/Mon, 02 Feb 2026 00:00:00 GMTMany beginners think JavaScript can “do anything,” but each action needs its own script. This article explains why JS feels free yet requires detailed, step-by-step instructions.https://tips.ojapp.app/javascript-not-as-free/https://tips.ojapp.app/javascript-not-as-free/Mon, 02 Feb 2026 00:00:00 GMT「JavaScriptはなんでもできる」と思われがちですが、実際は“1つの機能に対して1つの処理を書く”必要があります。自由に見えて自由ではないJSの特徴を初心者向けにわかりやすく解説します。https://tips.ojapp.app/ojapp-tech-stack-2026/https://tips.ojapp.app/ojapp-tech-stack-2026/Mon, 02 Feb 2026 00:00:00 GMT個人開発3ヶ月で OJapp を作りながら試行錯誤した技術スタックを紹介。GitHub Pages の更新遅延、Safari の影キャッシュ、Cloudflare への移行理由など、リアルな開発ログをまとめます。https://tips.ojapp.app/en/compare-pwa-shortcut-ojapp-2/https://tips.ojapp.app/en/compare-pwa-shortcut-ojapp-2/Mon, 02 Feb 2026 00:00:00 GMTA complete comparison of PWAs, iOS Shortcuts, and OJapp. Learn how each method adds icons to the Home Screen, their differences in flexibility, sharing, and which option fits your use case.https://tips.ojapp.app/en/shortcut-compare-2/https://tips.ojapp.app/en/shortcut-compare-2/Mon, 02 Feb 2026 00:00:00 GMTCustomize your iPhone Home Screen the right way. This guide compares the Shortcut method and OJapp across five key factors—ease of setup, sharing, speed, consistency, and safety—to help you choose the best approach.https://tips.ojapp.app/en/home-custom-compare-2/https://tips.ojapp.app/en/home-custom-compare-2/Mon, 02 Feb 2026 00:00:00 GMTA detailed comparison of three ways to add websites to your home screen: Shortcut automation, standard Web App “Add to Home Screen,” and the customizable OJapp method. Pros, cons, and best use cases.https://tips.ojapp.app/en/history-of-ios-webclip-shadow-cache/https://tips.ojapp.app/en/history-of-ios-webclip-shadow-cache/Mon, 02 Feb 2026 00:00:00 GMTA detailed history of iOS WebClip from 2008 to 2026. Learn how home screen icons evolved, why apple-touch-icon was introduced, and how the shadow cache was born.https://tips.ojapp.app/en/localstorage-limits/https://tips.ojapp.app/en/localstorage-limits/Mon, 02 Feb 2026 00:00:00 GMTLocalStorage is limited to around 5MB and may be deleted automatically on iPhones. This guide explains storage limits, why data disappears, and how to use localStorage safely.https://tips.ojapp.app/en/safari-cache-delete-2/https://tips.ojapp.app/en/safari-cache-delete-2/Mon, 02 Feb 2026 00:00:00 GMTSafari’s cache shouldn’t be cleared entirely—doing so can break logins and still leave hidden WebClip cache behind. This guide explains the precise, developer-proven method that reliably clears Safari cache for a single website without affecting everything else.https://tips.ojapp.app/en/paid-apps-are-actually-web-2/https://tips.ojapp.app/en/paid-apps-are-actually-web-2/Mon, 02 Feb 2026 00:00:00 GMTMany paid apps are actually built with simple web technologies like HTML, CSS, and JavaScript. This guide explains how WebView apps work and why they’re so common.https://tips.ojapp.app/safari-cache-delete/https://tips.ojapp.app/safari-cache-delete/Mon, 02 Feb 2026 00:00:00 GMTSafariのキャッシュは全消しより“ピンポイント削除”が正解。Webツール開発者が1000回以上試して辿り着いた、影キャッシュまで確実に消えるSafariの正しいキャッシュ削除手順を解説します。https://tips.ojapp.app/en/css-can-and-cannot-2/https://tips.ojapp.app/en/css-can-and-cannot-2/Mon, 02 Feb 2026 00:00:00 GMTLearn what CSS can and cannot do in web development. A simple guide for beginners explaining visual styling, layout control, animations, and why CSS cannot handle logic, data, or interactions.https://tips.ojapp.app/en/what-is-pwa-2/https://tips.ojapp.app/en/what-is-pwa-2/Mon, 02 Feb 2026 00:00:00 GMTLearn what PWAs are, how websites act like apps on iPhone and Android, how “Add to Home Screen” works, and how PWAs differ from tools like OJapp.https://tips.ojapp.app/en/local-storage-basics-2/https://tips.ojapp.app/en/local-storage-basics-2/Mon, 02 Feb 2026 00:00:00 GMTFeeling your phone is slow or storage is full? This guide explains cache, cookies, and local storage in simple terms—and what happens when you delete each one.https://tips.ojapp.app/en/iphone-icon-not-updating-shadow-cache/https://tips.ojapp.app/en/iphone-icon-not-updating-shadow-cache/Mon, 02 Feb 2026 00:00:00 GMTiPhone home screen icons often fail to update due to Safari’s hidden “shadow cache.” Learn why this happens, how Web Clips store icons, and how to force an update.https://tips.ojapp.app/en/why-ojapp-icons-look-good-2/https://tips.ojapp.app/en/why-ojapp-icons-look-good-2/Mon, 02 Feb 2026 00:00:00 GMTOJapp icons look clean on both iPhone and Android. This article explains why—from high-resolution images to CSS-like WebClip rules and platform limitations.https://tips.ojapp.app/en/icon-change-2-2/https://tips.ojapp.app/en/icon-change-2-2/Mon, 02 Feb 2026 00:00:00 GMTWhen adding a Shopify or Etsy shop to your iPhone Home Screen, the icon often changes to the platform’s logo. Learn why this happens and how to use your own custom shop icon instead.https://tips.ojapp.app/why-ojapp-icons-look-good/https://tips.ojapp.app/why-ojapp-icons-look-good/Mon, 02 Feb 2026 00:00:00 GMTOJappで作ったホーム画面アイコンが綺麗に見える理由をCSS視点で解説。画像の最適化、角丸、背景処理、解像度など、WebClipが採用するCSS的ルールとその限界を初心者向けにまとめますhttps://tips.ojapp.app/browser-cache-how-it-works/https://tips.ojapp.app/browser-cache-how-it-works/Mon, 02 Feb 2026 00:00:00 GMTブラウザキャッシュが「更新しても反映されない」「古い表示のままになる」原因を解説。強キャッシュ・弱キャッシュ・ETag・Last-Modified の挙動をわかりやすく説明します。https://tips.ojapp.app/publish-website-free-github-pages/https://tips.ojapp.app/publish-website-free-github-pages/Mon, 02 Feb 2026 00:00:00 GMTWebページを無料で公開する最も簡単な方法「GitHub Pages」を初心者向けに解説。サーバー契約不要、料金ゼロ。作ったHTMLファイルをそのまま公開してスマホでも閲覧できます。https://tips.ojapp.app/localstorage-limit/https://tips.ojapp.app/localstorage-limit/Mon, 02 Feb 2026 00:00:00 GMTlocalStorageの容量上限は約5MB。iPhoneで勝手に消える理由、削除されるタイミング、安全に使う方法を中級者向けにわかりやすく解説します。https://tips.ojapp.app/view-your-webpage-on-phone/https://tips.ojapp.app/view-your-webpage-on-phone/Mon, 02 Feb 2026 00:00:00 GMT自分で作ったWebページをスマホで見る方法を、初心者向けにわかりやすく解説。USB不要、サーバー不要。無料でできる3つの方法（ローカル・Wi-Fi共有・無料公開）を紹介。https://tips.ojapp.app/create-one-webpage-free-2/https://tips.ojapp.app/create-one-webpage-free-2/Mon, 02 Feb 2026 00:00:00 GMTWebページ作りは実はとても簡単。PCとブラウザだけで「1ページのサイト」を無料で作成する方法を、初心者向けにわかりやすく解説します。VSCode不要。コピペでOK。https://tips.ojapp.app/paid-apps-are-actually-web/https://tips.ojapp.app/paid-apps-are-actually-web/Mon, 02 Feb 2026 00:00:00 GMT多くの有料アプリは、実は中身がWebサイト（HTML・CSS・JS）の組み合わせ。WebViewの実態、アプリ化の仕組み、開発コストの裏側まで初心者にもわかりやすく解説します。https://tips.ojapp.app/trend-2026/https://tips.ojapp.app/trend-2026/Sun, 01 Feb 2026 00:00:00 GMTホーム画面カスタマイズ市場が大きく変化した理由と、今ユーザーが求めている自由度について丁寧に解説します。https://tips.ojapp.app/icon-change-2/https://tips.ojapp.app/icon-change-2/Sun, 01 Feb 2026 00:00:00 GMTBOOTHやBASEのショップをホーム画面に追加したときのアイコン問題と対策https://tips.ojapp.app/home-add-basic/https://tips.ojapp.app/home-add-basic/Sun, 01 Feb 2026 00:00:00 GMTiPhone・Androidでホーム画面に追加する手順を初心者向けに解説。アイコンが変わる理由や自由に置けない仕組みもわかる。https://tips.ojapp.app/make-icon/https://tips.ojapp.app/make-icon/Sun, 01 Feb 2026 00:00:00 GMTホーム画面アイコンを自作する方法を徹底解説。Canva・画像編集アプリ・OJappでの作り方、推奨サイズ、透過PNGの作り方、注意点などを網羅的にまとめています。https://tips.ojapp.app/home-add-cannot/https://tips.ojapp.app/home-add-cannot/Sun, 01 Feb 2026 00:00:00 GMTiPhoneで「ホーム画面に追加」が出ない・表示されない原因を解説。Safariの共有メニュー、画像共有、アプリ内ブラウザ、アクションを編集、PWA設定、アイコンや追加後に違うページが開く場合まで順番に確認します。https://tips.ojapp.app/compare-pwa-shortcut-ojapp/https://tips.ojapp.app/compare-pwa-shortcut-ojapp/Sun, 01 Feb 2026 00:00:00 GMTホーム画面追加の3方式“PWA・ショートカット・OJapp”を比較し、誰がどれを使うべきかを丁寧に整理。設定方法・自由度・再現性・共有性の違いを総まとめ。https://tips.ojapp.app/what-is-pwa/https://tips.ojapp.app/what-is-pwa/Sun, 01 Feb 2026 00:00:00 GMTPWAとは何か、ホーム画面に追加の仕組み、メリットを初心者向けにわかりやすく解説。OJappとの違いも紹介。https://tips.ojapp.app/how-to-pwa/https://tips.ojapp.app/how-to-pwa/Sun, 01 Feb 2026 00:00:00 GMTWebサイトをPWA化するための手順を、manifest.json や Service Worker を中心にわかりやすく解説。初心者〜中級者向けの実装ガイド。スマホで“アプリのように動く”Webサイトを作る手順まとめ。https://tips.ojapp.app/home-custom-compare/https://tips.ojapp.app/home-custom-compare/Sun, 01 Feb 2026 00:00:00 GMTショートカット方式・通常のホーム画面追加・OJapp方式の3つを比較。手軽さ、再現性、共有性、デザイン面での違いを解説しますhttps://tips.ojapp.app/icon-change/https://tips.ojapp.app/icon-change/Sun, 01 Feb 2026 00:00:00 GMTショートカット不要でホーム画面アイコンを自由に変更する方法を解説。https://tips.ojapp.app/shortcut-compare/https://tips.ojapp.app/shortcut-compare/Sun, 01 Feb 2026 00:00:00 GMTショートカットでホーム追加する方法とOJapp方式を比較し、長所と短所を整理https://tips.ojapp.app/local-storage-basics/https://tips.ojapp.app/local-storage-basics/Sun, 01 Feb 2026 00:00:00 GMTキャッシュ・Cookie・ローカルストレージの違いと、安全に削除できるデータを初心者向けに解説します。