SpeedCurve
Website performance monitoring with real user and synthetic data
12 tools like Calibre, chosen by what they do. About Calibre

Website performance monitoring with real user and synthetic data

Page speed monitoring for Core Web Vitals and real visitors

Open source web performance testing with reports and metrics

Digital experience analytics that captures every user interaction

Autonomous QA that tests builds and reports root-caused bugs

Open source session replay and product analytics you can self-host

Open source library for recording and replaying web sessions

Uptime, API, browser and real user monitoring with status pages

Error monitoring and performance insights for your whole app stack

Error, crash and performance monitoring for web and mobile apps

External uptime, SSL, domain and page speed monitoring

Monitoring for cron jobs, heartbeats, websites and APIs