Page Speed Checker

Q: What Performance score is acceptable?

90/100 or above is good (green), 50–89 needs improvement (orange), below 50 is poor (red) and should be prioritized.

Q: Why is the mobile score lower than desktop?

Google prioritizes mobile measurement with weaker network and CPU settings to simulate real users. The mobile score is usually lower and matters more for SEO.

Q: Where does the data come from?

Directly from the Google PageSpeed Insights API — the very data Google uses, so results match what Google sees about your site.

Check page load speed and Core Web Vitals (LCP, CLS, FCP, TTFB) via Google PageSpeed

How do Core Web Vitals affect ranking?

Google uses Core Web Vitals as a ranking signal. The tool pulls data straight from the Google PageSpeed Insights API to score and surface optimization opportunities.

Page speed has a double impact: it is a Google ranking signal and it directly affects bounce rate and conversions. Studies show every extra second of load time can significantly reduce how many visitors stay. The Page Speed Checker pulls data straight from the Google PageSpeed Insights API — the same data Google uses — so the results are reliable. It scores Performance 0–100 and analyzes the three most important Core Web Vitals: LCP (how fast the main content renders), CLS (layout stability) and supporting metrics like FCP and TTFB. More importantly, it lists concrete "improvement opportunities" with estimated time savings, so you know what to optimize for the biggest impact.

Performance score 0–100 from Google
LCP, CLS, FCP, TTFB with Good/Poor rating
Concrete list of improvement opportunities

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How to use in 3 steps

1Enter the URL you want to measure.
2Click "Check speed" — Google PageSpeed measures in 5–10 seconds.
3See the Performance score, Core Web Vitals and the list of optimization opportunities.

Frequently asked questions

What are the Core Web Vitals?

Three core metrics: LCP (Largest Contentful Paint, target < 2.5s), INP (Interaction to Next Paint, < 200ms) and CLS (Cumulative Layout Shift, < 0.1).

What Performance score is acceptable?

90/100 or above is good (green), 50–89 needs improvement (orange), below 50 is poor (red) and should be prioritized.

Why is the mobile score lower than desktop?

Google prioritizes mobile measurement with weaker network and CPU settings to simulate real users. The mobile score is usually lower and matters more for SEO.

Where does the data come from?

Directly from the Google PageSpeed Insights API — the very data Google uses, so results match what Google sees about your site.

Page Speed Checker

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How do Core Web Vitals affect ranking?

How to use in 3 steps

Frequently asked questions

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