A Performance Monitoring Alternative To Sentry

Optimize your website performance with this Sentry alternative.

Collect real user metrics and monitor Core Web Vitals.

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”We've updated around 15,000 pages and saw some nice gains from it. "Good URLs" and their impressions have increased 3x since implementation.“

Rafayel Begoyan

Senior SEO Specialist at CoinStats

”We love DebugBear. It has proven useful time and time again. I evaluated the different competitors and DebugBear was the best overall product.“

Rafael Corral

Senior Software Engineer

Trusted By Hundreds Of Happy Customers

Monitor real-world Core Web Vitals data

Real user analytics

Measure your site's performance through the lens of real visitor interactions.

Lab-based Lighthouse tests

DebugBear's automated tests combine Lighthouse's scores with additional performance metrics.

Data from Google

DebugBear includes data from the Chrome User Experience Report (CrUX) so you can understand its impact on your search engine rankings.

Largest Contentful Paint Chart showing the 50th, 75th, and 90th percentiles

Use real-user data to fix your Core Web Vitals with ease

See what elements cause high LCP or INP scores

Visualize metrics like Largest Contentful Paint and Interaction to Next Paint from real-world users. The DebugBear dashboard shows you which parts of your site your users are struggling with.

A comprehensive network Waterfall

Optimise your page load and render times with the network waterfall. See how your site loads in real-time and identify bottlenecks.

View individual page views

After viewing your high-level performance data, dive into individual page views to see performance data for your user journeys.

Modern performance monitoring for modern websites

A focused product

Improving your Core Web Vitals and user experience is our primary focus. We deliver comprehensive reporting that's insightful for both developers and non-technical stakeholders alike.

Crafted for professionals

Sentry is an excellent error tracking tool, with some performance add-ons. DebugBear is a performance monitoring tool that's built from the ground up.

Request waterfall visualization for a web page

”DebugBear delivers the best stats for before and after changes in exquisite detail. It also shows clear and easy to find data for Google's Web Vitals.

Tony Cosentino

Owner at The WP Guy

”The reporting data is very helpful in pinpointing what causes site speed issues – immediately actionable. It's well above and beyond the info you get from Lighthouse and the performance tests through Chrome.“

Loren McDonald

IT Director

”The most actionable-info packed page speed visualization available. DebugBear provides unique features that are crucial to debugging complex issues, like request-chain visualization."

Robin Marx

Web Protocol and Performance Expert

”DebugBear's alerts are our early warning system. They catch new scripts that could slow us down before they become a problem.”

Ryan Sullivan

Chief of Staff at SiteCare

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