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
- 1Enter the website URL
- 2Run the speed test
- 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
Enter the website URL
Paste the address of the page you want to test.
- 2
Run the speed test
Click 'Test' to measure how the page loads.
- 3
Review the performance metrics
See load time, page size, and other key metrics for the page.
Frequently Asked Questions
What scores does the website speed checker show?▼
What are Core Web Vitals?▼
What is a good PageSpeed score?▼
Is this using Google's official PageSpeed API?▼
How can I improve my website's PageSpeed score?▼
How to use Website Speed Checker
- 1
Enter the website URL
Paste the address of the page you want to test.
- 2
Run the speed test
Click 'Test' to measure how the page loads.
- 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.
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