[[["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"]],[],[],["In 2018, page speed became a ranking factor for mobile searches, leading to notable web performance improvements. User-centric performance metrics for the slowest traffic improved by 15-20%, and over 95% of countries showed speed improvements. Page abandonment from search dropped by 20%. Developers ran over a billion PageSpeed Insights audits. Webmasters are encouraged to optimize using PageSpeed Insights, Chrome User Experience Report, and Web Fundamentals resources.\n"]]