LCP FID CLS Checker
Check your Core Web Vitals including LCP, FID, and CLS for free and pass Google's page experience assessment.
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Free Core Web Vitals LCP FID CLS Checker
Google uses LCP, FID, and CLS to judge your page experience. This free checker tests all three Core Web Vitals on your pages and tells you exactly what to fix to pass Google's assessment and keep your rankings.
How to use this free tool
Enter your page URL to check Core Web Vitals.
The tool measures LCP, FID, and CLS on your page.
See your scores and get fix instructions for free.
Frequently Asked Questions
Everything you need to know about our free service.
Is the Core Web Vitals checker free?
Yes. You can check LCP, FID, and CLS on as many pages as you want completely free.
What do LCP, FID, and CLS mean?
LCP measures load speed, FID measures interactivity, and CLS measures visual stability. Google wants all three to pass for good page experience.
Is my website safe during the check?
Yes. The check runs inside your browser and your website data is never stored or shared.