⚡ Free Website Speed Grader
Enter any URL to get your website's performance score, Core Web Vitals, and actionable speed insights powered by Google PageSpeed Insights.
How to Use the Website Speed Grader
Enter the full URL of the page you want to test, including https://
Choose Mobile or Desktop — Google primarily uses mobile scores for ranking.
Click "Grade My Site" and wait 10–20 seconds for the Google PageSpeed API to return results.
Review your Performance score and Core Web Vitals. Aim for green (90+) on all metrics.
What Is a Good Website Speed Score?
Google's PageSpeed Insights scores pages from 0–100. A score of 90 or above is considered "Good," 50–89 is "Needs Improvement," and below 50 is "Poor." Core Web Vitals — LCP, INP, and CLS — are the metrics Google uses directly as ranking signals.
Largest Contentful Paint (LCP) measures loading performance and should be under 2.5 seconds. Cumulative Layout Shift (CLS) measures visual stability and should be below 0.1. Total Blocking Time (TBT) is the lab proxy for Interaction to Next Paint (INP) and should be under 200ms.