The gold standard in web performance optimization
Run free tests to instantly see how your website performs and discover ways to enhance it with just one click.
This is a limited view of WebPageTest. Create your free account to unlock the full experience.
Why WebPageTest?
WebPageTest is the industry-standard platform for measuring and optimizing website performance. Improve Core Web Vitals, user experience, SEO, and conversions with deep diagnostics across browsers, devices, and network conditions.
Originally created and open-sourced by Patrick Meenan in 2008 and now part of LogicMonitor through Catchpoint, WebPageTest combines its trusted open-source roots with enterprise-grade observability. The project remains open source under the Polyform Shield license.
Looking for enterprise features like Real User Monitoring, developer APIs, Experiments, Smartboards, proactive monitoring and more? View Web Performance Optimization pricing.
Maintained by Catchpoint,
trusted by the world’s top brands
Real Experience
Test your user’s real experience with global locations, modern devices, and the latest browser versions.
Video Capture
Correlate your user’s visual experience to the technical measurements of your site.
In-Depth Metrics
Dive into the anatomy of your webpage with components like DNS, TCP, TLS, and more.
Rich Howard
CEO, Optimal
