Synthetic Website Monitoring

Run page speed tests in a controlled lab environment.

Get in-depth reports, run page speed experiments, and get targeted recommendations.

No card required. Get set up in minutes.

”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

”DebugBear has been an eye opener for us and has really shown what's causing the Core Web Vitals issues on our website.

Mandip Ahdan

Head of Engineering

Trusted By Hundreds Of Happy Customers

Synthetic monitoring tool

Track site speed in the browser

DebugBear continuously runs front-end performance tests by loading your whole page in the browser and generating in-depth reports.

User-centric metrics

Track modern metrics like Google's Core Web Vitals to see how quickly your page is ready for your visitors.

Configure test locations and devices

Monitor your website from over 20 global locations, and configure custom network speeds for mobile and desktop devices.

Detailed reporting and analysis

Detailed request waterfall

See exactly what happened when the page was loading, and identify what was holding back rendering.

Built-in Lighthouse reports

Each test results include an analysis by Google's Lighthouse tool, including score for Performance, SEO, and Accessibility.

Custom recommendations

DebugBear reports go far beyond a basic Lighthouse analysis. Get tailored recommendations on how to speed up your website.

Run page speed experiments

Try optimizations without deploying code

Try out page speed recommendations for your website and measure their impact using the DebugBear Experiments feature.

Tailored page speed optimizations

DebugBear analyzes your website, provides recommendations, and lets you try out possible improvements.

Get alerted when your site speed changes

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.

Alerts in Slack, Teams, or by email

Get notified where your team is and catch problems before they reach production.

Easy regression analysis

See exactly what changed

Compare page speed test results side by side, whether you're looking at a rendering video, Lighthouse audit, or network request list.

Share results with your team

Export before and after videos to highlight regressions or show off the impact of optimizations in your company.

Side by side page speed view to debug regressions

”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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