Free Page Speed Best Practices Checklist
Interactive checklist of page speed best practices across images, JavaScript, CSS, fonts, and server configuration. Track your progress.
100% client-side - your data never leaves your browser.
Paste HTML above to run the page speed checklist.
Want automated scanning?
SCOUTb2 runs 25+ accessibility, performance, SEO, and security checks on any page automatically.
Install SCOUTb2 Free