Test your website loading speed and performance metrics. Free online page speed checker for Core Web Vitals and SEO. Supports website, speed.
Website Speed Test is a free online utility tool. Your input is processed on secure servers over an encrypted HTTPS connection and nothing is stored. No software to install; works on both phone and desktop.
We noticed most online tools upload your files to remote servers. Since privacy is our core principle, we built this tool to process everything locally in your browser.
Yes, completely free with no signup required.
Yes, it works on mobile browsers with touch support.
Utility
Website Speed Test sends your input over an encrypted HTTPS connection to our servers to complete the processing. Nothing you submit is stored; results are only displayed in your current page.
🔒 Privacy & Security：All processing happens locally in your browser. Files are never uploaded or stored.
🔒 Privacy: All processing happens locally in your browser. Your files and data never leave your device — no upload, no server, no tracking.
Website Speed Test is a free alternative to the following paid tools — see the full comparison: