Test website speed on real browsers & devices
SpeedLab scores your website on important performance metrics so you can optimize your page speed to deliver the best user experience.
How popular websites rank
Optimize website speed for every user
Real browsers & devices
Measure website speed on BrowserStack’s Real Device Cloud for unparalleled accuracy.
Actionable metrics
Spot and fix browser or device-specific issues with the detailed performance report.
Competitive Benchmarking
Evaluate your mobile and desktop score and see how you stack up against competition.
Meet team specific website goals
For developer teams
Test in real-world conditions to measure actual user experience, debug bottlenecks and improve performance.
For product & marketing teams
Benchmark against competitors and understand how a slow web page can impact SEO, conversion, and bounce rates.
