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Monitor Page Speed and Core Web Vitals

Optimize web performance to improve user experience and rank higher in Google.

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Front-end web performance monitoring dashboard
”We've updated around 15,000 pages and saw some nice gains from it. "Good URLs" and their impressions have increased 3x since implementation.“
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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.“
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Rafael Corral
Senior Software Engineer
Join Hundreds Of Happy Customers
DebugBear Customers

Be faster than your competition

Improve Google rankings

Optimize Google's Core Web Vitals metrics to get more organic traffic.

Higher conversion rates

A slow website can lose you customers and leave visitors frustrated.

Catch problems early

Track page speed over time and get alerts if there's a performance regression.

Front-end web performance monitoring dashboard

See why your website is slow

Filmstrip and video view

See how users on a mobile connection would experience your website. Clearly communicate problems to your team and show off successes to clients.

Network request waterfall

Get a detailed report on what's happening on your website. Easily correlate network activity with CPU tasks and rendering progress.

Request waterfall and page size changes

Optimize Core Web Vitals

Performance recommendation

Test your website to see how you can make it faster. DebugBear automatically identifies problems on your site and highlights the data you need to fix them.

Debug data for every metric

Select one of over 70 metrics and view the data you need to optimize it.

Run site speed experiments

See the impact of performance optimizations without deploying changes to your website.

Largest Contentful Paint request chain

Track the data that matters

Reliable lab-based tests

Automatically run lab tests on a schedule and keep track of Google Lighthouse scores. Get more reliable data than you'd get from PageSpeed Insights.

Google CrUX data

Continuously track real user data from the Chrome User Experience Report (CrUX). This is what impacts Google search results.

Real user page speed analytics

Track real user experience across your website, without the 28-day delay that comes with Google's data.

Core Web Vitals monitoring

Real User Monitoring

Understand user experience

Collect data from across your whole website to identify slow pages and visitor cohorts.

Optimize your website

Identify what's responsible for poor Core Web Vitals and optimize accordingly.

Improve Interaction to Next Paint

DebugBear RUM identifies what page elements frequently cause slow responsiveness and provides context to help fix the issues.

Learn More
Page speed world map

Catch and fix regressions

Automatic change notifications

Added a new render-blocking script? Uploaded a 5 MB image? Got a slow server response?

Use our zero-config automatic alerts, or set custom thresholds.

Compare test results

Wondering why your site got slower? Use our in-depth before and after comparison to see exactly what changed.

Catch and fix 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.
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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.“
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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."
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Robin Marx
Web Protocol and Performance Expert

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