Build fast websites that delight your customers

Monitor website performance and quality

Easy setup · Zero-config alerts · Actionable insights
➔ Start Free Trial
Front-end web performance monitoring 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

Deliver better experiences than your competitors

User-centric performance metrics

Track modern web performance metrics like First Contentful Paint and Cumulative Layout Shift. Or track custom user timing metrics tailored to your website.

Benchmark against the competition

Compare trends across different websites, and the optimize performance of your site.

Monitor Lighthouse scores

Lighthouse is the tool that powers Google's PageSpeed Insights service. Track scores for performance, accessibility, and SEO.

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

Increase developer productivity with actionable insights

Reporting that goes beyond metrics

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.

Detailed data on rendering, CPU tasks, and requests

Identify what's holding back rendering or making your page unresponsive. Efficiently debug performance problems.

Monitor JavaScript bundles

Loading and running modern JavaScript apps can negatively impact performance. DebugBear tracks the size of your JavaScript bundles over time and shows you which file got bigger and why.

Easy to set up, but packed with features

Nothing to install

Just enter the URLs of the pages you want to monitor and we'll do the rest.

Share results with your team

Invite as many users as you need, or give everyone access with a shareable URL.

Configure device type and location

Monitor mobile and desktop performance with custom device and network speeds. Run tests from 10 global locations.

Advanced features

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.

Web performance monitoring: filmstrip and list of request
web performance email alert

Catch regressions with zero-config alerts

Automatic change notifications

Did you JavaScript bundle get bigger? Got a slow server response? Added a new image without an alt tag? Using a deprecated API? All of these can trigger an alert.

Get alerts by email or in Slack

Set up alerts in the way that's most convenient to you.

Zero-config, but configurable

Significant changes are detected automatically, without the need to set up thresholds. But if you need to you can fully customize the alerts.

Integrate with your workflow

API access

Use the API to run tests or configure your monitoring setup.

Continuous Integration and GitHub App

Catch regressions early by testing each pull request with DebugBear. Report results to GitHub, a Slack channel, or your custom setup.

Export monitoring results

Download metrics as CSV or JSON, or export data with the API.

Front-end website monitoring data in GitHub
”DebugBear has a bug-free simple UX. I was able to set it up for our team in less than an hour, and everyone is using it now.
George M.

Get set up in minutes.

No credit card required.
Start free 14-day trial
© 2021 DebugBear Ltd