Core Web Vitals Checker

Enter a URL to check the Core Web Vitals metrics and get optimization suggestions. This tool analyzes HTML for potential issues affecting LCP, FID, and CLS.

Check Core Web Vitals

About Core Web Vitals

Core Web Vitals are a set of metrics that measure real-world user experience for loading performance, interactivity, and visual stability of a page. They are part of Google's ranking factors.

Key metrics:

Related tools: Page Speed Checker, Broken Link Checker, Mobile Friendliness Checker