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Core Web Vitals checker

Does this page pass Google's Core Web Vitals for the people who actually visit it? Real-user data from Chrome, for the page and for the whole site, in about a second.

Google's data is a 28-day average. Yours can be live.

Chrome's field data covers busy pages only and trails reality by four weeks. Paste one script and you get Core Web Vitals from every visit, on every page, the same day — with alerts when a release makes them worse.

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