Is the Core Web Vitals Checker free to use?

Yes. The Core Web Vitals Checker on Scrawl is 100% free. There is no login, no credit card, and no usage cap.

Do I need to install anything to use the Core Web Vitals Checker?

No. The Core Web Vitals Checker runs entirely in your browser. Just open the page, paste your URL or data, and get instant results.

Does Scrawl store the URLs I submit?

Scrawl does not store submitted URLs beyond the request needed to return your result. See our Privacy Policy for details.

Core Web Vitals Checker — LCP, CLS & INP Score Tester

Test LCP, CLS, and INP scores for mobile and desktop with Google PageSpeed Insights data. Fix Core Web Vitals issues fast. Free tool for any website owner.

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