PageSpeed Insights のルール
特に記載のない限り、このページのコンテンツはクリエイティブ・コモンズの表示 4.0 ライセンスにより使用許諾されます。コードサンプルは Apache 2.0 ライセンスにより使用許諾されます。詳しくは、Google Developers サイトのポリシーをご覧ください。Java は Oracle および関連会社の登録商標です。
最終更新日 2025-07-25 UTC。
[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-07-25 UTC。"],[[["This page is outdated and refers to a deprecated version of PageSpeed Insights API (version 4) which will be shut down."],["Version 5 of the API is the latest and uses real-world data and lab data for providing insights."],["The page lists several web performance optimization techniques, including avoiding redirects, enabling compression, improving server response time, leveraging browser caching, minifying resources, optimizing images and CSS delivery, prioritizing visible content, and removing render-blocking JavaScript, but these instructions might be outdated."]]],["The provided content outlines website optimization techniques. Key actions include avoiding landing page redirects, enabling compression, and improving server response time. Other recommendations are leveraging browser caching, minifying resources, and optimizing images. Further actions involve optimizing CSS delivery, prioritizing visible content, and removing render-blocking JavaScript. The content references version 4 of the PageSpeed Insights API as deprecated, and directs users to version 5 for updated features and data.\n"]]