Track user-centric performance metrics like Largest Contentful Paint and Cumulative Layout Shift.
Use the User Timing API to monitor custom metrics tailored to your website.
Lighthouse is the tool that powers Google's PageSpeed Insights service. Track scores for performance, accessibility, and SEO.
Compare trends across different websites, and the optimize performance of your site.
Your page load times just went up, but why? DebugBear shows an in-depth comparison between any two test results, allowing you to see what changed.
Use detailed data on rendering, CPU tasks, and network requests to identify what's holding back rendering or making your page unresponsive.
Just enter the URLs of the pages you want to monitor and we'll do the rest.
Invite as many users as you need, or give everyone access with a shareable URL.
Access pages behind authentication. Disable GDPR notices with custom scripts. Block third-party requests to monitor just your own code. Set performance budgets to keep your site fast.
See front-end monitoring results where it's convenient to you.
Significant changes are detected automatically, without the need to set up thresholds. But if you need to you can fully customize the alerts.
Run tests with the API or configure monitored pages.
Catch regressions early by testing each pull request with DebugBear. Report results to GitHub, a Slack channel, or your custom setup.
Automatically test preview deploymnets and catch regressions before they reach production.
Download metrics as CSV or JSON, or export data with the API.