Platform WebPageTest
For Enterprise:Internet Performance Monitoring
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WebPageTest. The gold standard in web performance testing.
Online CourseLearn to analyze performance, fix issues, and deliver fast websites from the start.
New in WebPageTest! Measure your site's carbon footprint and run No-Code Experiments to find ways to improve.
All of the WebPageTest features you already love, plus API Access & No-Code Experiments!
Virginia - EC2Salt Lake City, Utah - GCECalifornia - EC2Toronto, Canada - EC2Sao Paulo, Brazil - EC2Ireland - EC2London, UK - EC2Paris - EC2Amsterdam, NL - GCEFrankfurt, Germany - EC2Milan, Italy - EC2Stockholm, Sweden - EC2Cape Town, South Africa - EC2Bahrain - EC2Dubai, UAE - AzureMumbai, India - EC2Bangkok, Thailand - TencentSingapore - EC2Jakarta, Indonesia - GCEHong Kong, China - EC2Shanghai, China - TencentBeijing, China - TencentNingxia, China - EC2Taiwan - GCESeoul, Korea - EC2Tokyo, Japan - EC2Osaka, Japan - EC2Sydney, Australia - EC2Melbourne, Australia - AzureLos Angeles, CA - M1 Mac Mini/iOS (Chrome,Firefox,Safari)New York, NY - M1 Mac Mini/iOS (Chrome,Firefox,Safari)
“The best professional web performance investigators I know use WPT as a critical part of their workflows, and it's the center or mine.”
Test your user’s real experience with global locations, modern devices, and the latest browser versions.
Correlate your user’s visual experience to the technical measurements of your site.
Dive into the anatomy of your webpage with components like DNS, TCP, TLS, and more.