Web Performance Resources
A curated collection of the best tools, documentation, and learning materials for optimizing website performance.
Testing Tools
Google PageSpeed Insights
Official Google tool for analyzing page performance with Lighthouse
WebPageTest
Advanced performance testing with waterfall analysis and filmstrip view
GTmetrix
Performance testing with historical tracking and monitoring
Chrome DevTools
Built-in browser tools for performance profiling and debugging
Lighthouse CI
Automate Lighthouse testing in your CI/CD pipeline
Documentation
web.dev
Google's official resource for modern web development best practices
Core Web Vitals
Official documentation on Google's user experience metrics
MDN Web Docs
Comprehensive documentation on web technologies
Chrome UX Report (CrUX)
Real user experience data from Chrome users
HTTP Archive
Web performance data and research
Image Optimization
CDN & Hosting
Code Analysis
Learning
Try Our Free Tools
Test your website performance with our suite of free tools including speed tests, TTFB checker, and DNS lookup.