LCP: Largest Contentful Paint
2.5 s
Good when the main content loads in 2.5 seconds or less.
Free tool
Free Core Web Vitals Report
Enter your website address and get your Core Web Vitals, your speed score and the biggest fixes, in about 30 seconds.
The three metrics
These are the "good" thresholds from Google's Core Web Vitals guidance.
INP: Interaction to Next Paint
200 ms
Good when the page responds to taps and clicks in 200 milliseconds or less.
CLS: Cumulative Layout Shift
0.1
Good when the layout stays stable, with a score of 0.1 or less.
Want a written report?
We will explain your results, show what is causing each problem, and recommend the fixes in order.