Monitor Site Speed and Core Web Vitals

Improve Google rankings

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

Higher conversion rates

A slow website will lose you customers and leave others frustrated.

Continuously monitor page speed

Track web performance over time and get alerts if your site becomes too 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.

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.

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.

Real user data

Track real user experience across your website.

Google CrUX data

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

Understand user experience

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

Optimize your website

Identify how often different page elements are responsible for the LCP, CLS, or INP metrics and optimize accordingly.

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.