The modern alternative to GTmetrix

Test and monitor website performance with DebugBear.

GTmetrix alternative page speed dashboard
”We love DebugBear. It has proven useful time and time again. I evaluated the different competitors and DebugBear was the best overall product.“
Web peformance monitoring user profile picture
Rafael Corral, Senior Software Engineer at Medium
”DebugBear's dashboard lets us see Core Web Vitals at a glance. At the same time, we're able to examine each result in a developer-friendly way.“
Web peformance monitoring user profile picture
John Bacon, Product Manager at GigSalad

Get a high-level overview of your pages

Compare metrics at a glance

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.

Lighthouse scores

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.

Core Web Vitals Field Data

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.

Front-end web performance monitoring dashboard
Request weight and bundle size

Dive deep into the data

More than just metrics

DebugBear collects in-depth debug data that helps you understand your metrics. Compare two test results and see exactly what changed.

Request waterfall

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.

Debug Web Vitals

See what element caused the Largest Contentful Paint and get a list of all layout shifts on the page.

Customize your tests

Test pages behind authentication

Got an app that's only accessible after logging in? Automatically fill out a login form before the test is run.

15 test locations

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.

Advanced features

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.

Web performance monitoring: filmstrip and list of request

Get set up in minutes.

No credit card required.
Start free 14-day trial