Each DebugBear project provides an overview page showing how your metrics have changed over the last 10 weeks. Or switch to viewing the last 10 days if you've made changes recently.
Both GTmetrix and DebugBear are built on top of Google's Lighthouse tool, which also delivers the PageSpeed Insights field data. But DebugBear actually provides the full in-depth Lighthouse report, including SEO and Accessibility metrics.
DebugBear not only tests your pages on a schedule, it also regularly looks up the field data Google has collects as part of the Chrome User Experience Report. This is important, as it's what Google uses in its search rankings.
DebugBear collects in-depth debug data that helps you understand your metrics. Compare two test results and see exactly what changed.
DebugBear and GTMetrix provide a request waterfall showing you in what order different parts of your page loaded. However, DebugBear a step further by exposing details like how different requests were prioritized by the browser.
See what element caused the Largest Contentful Paint and get a list of all layout shifts on the page.
Got an app that's only accessible after logging in? Automatically fill out a login form before the test is run.
Run your tests where your users are, in 15 different locations around the world. GTMetrix beats DebugBear here, with 22 test locations including South Africa and Dubai.
There are many similar tools to GTmetrix. DebugBear shines at customizability. Specify exactly when your tests should run, set performance budgets, or track custom metrics with the User Timing API.