Teams
Collaborate and share speed reports
Performance Budgets
Set actionable goals and meet them
Test Profiles
Understand real-world conditions
Pull Request Reviews
See performance directly in GitHub
Node.js API
Build integrations with developer-first APIs
Third Party Tracking
Trace the impact of third party scripts
Insights Report
Performance reporting in your inbox
All Features
Explore how Calibre can help you
Company Plan
Personalised service and flexible capacity built for larger teams
SEOs
Avoid losing search engine ranking
Agencies
Guarantee speed to your clients
Product Teams
Delight your customers with speed
Developers
Manipulate data to your needs
Core Web Vitals Checker
The easiest way to check if your site passes Core Web Vitals assessment
Release Notes
Monthly summary of new features and improvements to Calibre
Performance Newsletter
Best source of up-to-date web platform news
Help Docs
How to articles on making the most out of Calibre
Open Source
Our free performance tools and libraries for a faster web
Product
Use Cases
Company & Resources
Welcome
Getting Started with Calibre
Creating a Snapshot
Creating a Budget
Creating a Team
Tracking Deployments
Authenticating Calibre
Welcome to Calibre! Explore the documentation to discover how to make most of our performance tracking.
Learn how to get started with Calibre
See Agent Locations and IP Addresses
Automate your performance system
Our friendly, technical support team will be happy to help you with any questions you might have. Search our documentation, chat to us or contact support.