CLS at BuzzFeed — Part 1: Raising the floor

This article is part of a three-part series documenting how BuzzFeed tackled their issues with Cumulative Layout Shift as part of a broader Web Vitals initiative. Take a look at parts two and three. Google launched thousands of performance teams across the globe when they announced they’d be factoring Core Web Vitals into Page Rank. BuzzFeed was no exception. We’ve always cared about web performan

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BuzzFeedでのWeb Vitalsの計測と改善についての連載記事。 RUMとSynthetic MonitingでのCLSスコアのモニタリング、RUMのログからCLSを発生させている要素の特定と修正、サードパーティの埋め込みコンテンツによるCLSの改善など