Website monitoring for developers
Track performance, errors, and Lighthouse scores for your production site and in CI.
Access the data you need to fix problems.
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Keep your website fast
User-centric performance metrics
Track user experience based metrics like First Contentful Paint, Speed Index, and Time to Interactive.
Track CPU and memory consumption
See how client-side code execution impacts performance.
Monitor Lighthouse scores
Track Lighthouse scores for performance, accessibility, best practices, and SEO.
Take action
Performance recommendations
Improvement opportunities tailored specifically to your website.
File-specific size monitoring
Wondering what part of your JS just got larger? DebugBear can track size changes even if the file hash changes over time.
Access past page versions
Wondering when a bug was introduced or how a feature used to work before? Load a fully interactive archive of the old page version in your browser.
How it works
Nothing to install
Just enter the URLs of the pages you want to monitor and we'll do the rest.
Daily monitoring and alerts
Every 24h DebugBear loads and analyzes your website. If there's been a big change we'll let you know.
Advanced features
Access pages behind authentication. Disable GDPR notices with custom scripts. Block third-party requests to monitor just your own code.
Continuous Integration
CLI
Use the command line interface to analyze each build and catch regressions early. Deploy to a staging server or use ngrok to allow access to your CI server.
Github integration
Report results for each commit to Github.