On-demand performance testing
Get fast feedback
Create page tests against any public URL to get rapid feedback on performance, accessibility, SEO, progressive web apps and best practices.
Ready where you are
Test from multiple locations
Calibre can test from all corners of the globe. Measure the user experience, no matter where your audience is.Agent locations →
Real-world device and connectivity emulation
Understand how pages perform under a vast array of conditions, often different from your own.
Test in the open
Share results with your team
Share detailed reports with quality assurance, managers and fellow developers. No log-in required.
Ready to start with single page testing?
Single page tests are a part of Calibre’s command line interface.