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Page Speed Checklist

Use a free page speed checklist to review Core Web Vitals, images, caching, CSS, JavaScript, fonts and server performance.

Page Speed Checklist Tool

Use this manual checklist to review website performance, Core Web Vitals, images, caching, JavaScript, CSS, fonts, server response and third-party scripts.

🔒 Checked in your browser

Page Information

Optional Metrics

Seconds.
Largest Contentful Paint in seconds.
Cumulative Layout Shift.
Milliseconds.
MB.
Total network requests.

Manual Performance Checklist

Notes / Action Items

Status will appear here.

Performance Checklist Score

Grade: -
0 Score
0 Passed
0 Failed
0 Review
No report generated yet

Performance Checks

Fill the checklist and click Generate Report.
Optimize images first because large images often affect page speed strongly.
Reduce unused JavaScript and CSS to improve loading and interaction.
Use this checklist with real lab tools for best results.

About This Tool

Page Speed Checklist is a free online SEO and webmaster tool that helps you manually review website performance improvements.

You can check Core Web Vitals, image optimization, CSS and JavaScript performance, caching, CDN usage, server response, fonts, third-party scripts and page assets. The tool calculates a checklist score, shows a grade, highlights performance warnings and generates a clear page speed report.

This tool is useful for SEO specialists, developers, website owners, bloggers and webmasters who want a simple performance audit checklist before or after optimizing a page.

How to Use Page Speed Checklist

1. Enter the page URL and choose the device type.
2. Add optional metrics such as load time, LCP, CLS, INP, page size and request count.
3. Review each checklist item and mark it as Pass, Fail, Review or N/A.
4. Click Generate Report.
5. Review the score, grade, warnings and priority fixes.
6. Copy or download the report if needed.

Privacy Note: This Page Speed Checklist works directly in your browser using JavaScript. Your URL, notes and checklist data are not uploaded to our server.

Frequently Asked Questions

Is this Page Speed Checklist free?

Yes. This Page Speed Checklist is free to use and does not require signup.

Does this tool automatically test page speed?

No. This is a manual checklist tool. You can enter metrics from your preferred speed testing tool and use the checklist to organize fixes.

What should I fix first for page speed?

Start with large images, unused JavaScript, render-blocking CSS, slow server response, caching issues and heavy third-party scripts.

Does this tool upload my website data to the server?

No. This tool works directly in your browser using JavaScript. Your URL, notes and checklist data are not uploaded to our server.