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CLS Checker

CLS Checker

Visualise & debug layout shifts (CLS) in the browser
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Do you use CLS Checker?
What is CLS Checker?
This tool measures the 'cumulative layout shifts' that occur when a page is loaded in the browser using data from the Chrome Performance API. These are then listed showing the 'layout shift' score and visualised on the webpage.
CLS Checker media 1CLS Checker media 2CLS Checker media 3

Recent launches

CLS Checker
This tool measures the 'cumulative layout shifts' that occur when a page is loaded in the browser using data from the Chrome Performance API. These are then listed showing the 'layout shift' score and visualised on the webpage.
CLS Checker image