SEO & Web ToolsFree

Website Speed Checker

Check your website's performance score using the Google PageSpeed Insights API. Get scores for Performance, Accessibility, Best Practices, and SEO — the four Lighthouse audit categories. See Core Web Vitals (LCP, FID, CLS) and actionable improvement suggestions.

Updated June 2026

  1. 1Enter the website URL
  2. 2Run the speed test
  3. 3Review the performance metrics

🌐 API Integration Required

This tool needs a backend API to check external URLs. Options:

  • Use a serverless function (Next.js API route)
  • Integrate with RapidAPI URL checker APIs
  • Use PageSpeed Insights API (for speed checker)

How to use Website Speed Checker

  1. 1

    Enter the website URL

    Paste the address of the page you want to test.

  2. 2

    Run the speed test

    Click 'Test' to measure how the page loads.

  3. 3

    Review the performance metrics

    See load time, page size, and other key metrics for the page.

Frequently asked questions

Everything you need to know about website speed checker.

Performance, Accessibility, Best Practices, and SEO — the four Google Lighthouse audit categories. Each is scored 0-100, with 90+ being considered good.

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