Track user-centric performance metrics like Largest Contentful Paint and Cumulative Layout Shift.
Lighthouse is the tool that powers Google's PageSpeed Insights service. Track scores for performance, accessibility, and SEO.
Compare trends across different websites, and optimize your site performance.
Google is now using web vitals as a ranking factor. Optimizing site experience is an important part of technical SEO.
In addition to the lab-based Lighthouse tests, DebugBear also tracks the data Google collects from real Chrome users.
Your page load times just went up, but why? DebugBear shows an in-depth comparison between any two test results, so you can see what changed.
Use detailed debug data on rendering, CPU tasks, and network requests to identify what's slowing down your site.
Just enter the URLs of the pages you want to monitor.
Invite as many users as you need, or give everyone access with a shareable URL.
Access pages behind authentication or hide popups with a custom script.
Send alerts by email, in Slack, or in Microsoft Teams.
Trigger page tests with the API and save test results to your own infrastructure.
Catch regressions early by testing every pull request an CI.
Download metrics as CSV or JSON.
Added a new render-blocking script? Uploaded a 5 MB image? Got a slow server response? All of these can trigger an alert.
Use our zero-config automatic alerts, or set custom thresholds.
Wondering why your site got slower? Use an in-depth before and after comparison to see exactly what changed.