Adapt testing to your needs
Leverage a powerful command-line interface
Single page tests are powered by a developer-first CLI. Build custom tracking that suits your needs.
Make performance work transparent
Share results with your team
Each test comes with a publicly available report page. Share with quality assurance, managers and fellow developers. No log-in required.
Establish global benchmarks
Test from multiple locations
Calibre can test from all corners of the globe. Measure the user experience, no matter where your audience is.
Understand the spectrum of user experience
Emulate real-world devices and connectivity
Understand how pages perform under a vast array of conditions, often different from your own.
Integrate with development process
Run tests on-demand
Invoke single-page tests after deployments or in continuous integration. Get rapid feedback whenever you need it.