Cumulative Layout Shift
Cumulative Layout Shift (CLS)[1] is a performance metric introduced in 2020 by Lighthouse to measure the perceived visual stability of a web page load[2][3]. CLS measures the unexpected shifting of web elements while the page is being rendered. Shifting may cause in upside or downside of the page leading to bad user experience.
Mostly CLS Causes Due to unexpected DOM Load inside an web page such as ads and videos.
Now CLS is considered as a major factor to decide search ranking of a page in Google Search[4]
References[edit]
- ↑ "Cumulative Layout Shift (CLS)". web.dev. Retrieved 2021-10-03.
- ↑ DIGITAL MARKETING SUCCESS IDEAS VALUE INFORMATION. RMN. Search this book on
- ↑ Verou, Lea; Lilley, Chris; Andrew, Rachel; Kadlec, Tim; Meiert, Jens Oliver; Rosu, Catalin; Devlin, Ian; Levien, Raph; Pamental, Jason (2020-12-09). The 2020 Web Almanac: HTTP Archive's annual state of the web report. HTTP Archive. Search this book on
- ↑ 631shares; 34kreads. "Cumulative Layout Shift – Overview of 2021 Google Ranking Factor". Search Engine Journal. Retrieved 2021-10-03.
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