Performance reviews directly in Pull Requests
See the performance impact of your work without leaving GitHub.
Try for freeor View documentation
Bring transparency to your team
Integrate with your developer platform
Calibre tests each Pull Request and compares it to current production metrics. Get a performance summary that’s visible to your entire development team.
Know how releases affect metrics
Tag deployments
Calibre automatically tags deployments on metric charts. Always know which release caused improvements or regressions.
Test changes against performance budgets
Ensure high quality
Performance summaries highlight regressions and guarantee changes exceeding set budgets won’t ship to production. Don’t compromise what your users experience.
Use your favourite deployment tool
Works wherever you do
Pull Request Reviews are available on GitHub and integrate with the most popular deployment platforms: Heroku, Netlify and Vercel.