Enter any URL to get Core Web Vitals, performance score, and load time — for mobile and desktop.
Enter a URL above to analyze its performance
WHAT WE MEASURE
Time until the largest visible content (image or text) finishes loading. Good: under 2.5s.
Time until the first text or image is visible. Good: under 1.8s. Affects perceived load speed.
Total time the main thread was blocked. Affects interactivity. Good: under 200ms.
Measures visual stability — how much page elements move during load. Good: under 0.1.
How quickly content is visually displayed during load. Good: under 3.4s.
Time until the page is fully interactive. Good: under 3.8s. Critical for user experience.
Why website speed matters: Google uses Core Web Vitals as a ranking signal. A 1-second delay in page load time reduces conversions by 7% and increases bounce rate by 32%. Faster websites rank higher and convert better.