Test Website Load Time and TTFB
Measure a page's load time, time to first byte, total size, and number of requests, then get suggestions for what to fix. Useful for spotting slow servers and heavy assets before they cost you traffic.
Website Speed Test
Analyze page performance with Google PageSpeed Insights
Runs a full Lighthouse audit via Google PageSpeed Insights for both mobile and desktop.
What This Tool Measures
- Lighthouse Performance Score
- A weighted composite score (0-100) based on Core Web Vitals and other performance metrics. 90+ is considered good.
- Core Web Vitals
- LCP (loading), INP (interactivity), and CLS (visual stability) -- the metrics Google uses for page experience ranking. Where available, real-user field data from the past 28 days is shown alongside the lab run.
- Accessibility, Best Practices, and SEO
- Additional Lighthouse audits covering WCAG compliance, modern web standards, and search engine optimization.
- Improvement Opportunities
- Actionable suggestions with estimated time and size savings, prioritized by impact.
Quick Start
- 1Enter the URL of the page to test
- 2Run the test to measure load time and TTFB
- 3Review the timing breakdown, page size, and request count
- 4Apply the optimization suggestions to speed up the page
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Looking for FAQs and advanced options? Visit the full Website Speed Test page →