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February 2025 Release Notes

· 2 min read

We've been working on improving our real user monitoring product and have integrated LCP subparts from Google's CrUX report.

RUM Heatmap tables

Want to know how LCP scores are impacted by network latency and bandwidth? What CLS selectors on what pages cause poor CLS? The heatmap tables feature lets you see how two properties correlate with a performance metric.

RUM heatmap table

LCP subparts data from CrUX

Google has started to report LCP subparts in the Chrome User Experience Report. DebugBear shows this data in the Web Vitals tab of your lab test results.

CrUX subparts

New RUM metrics: network speed and window size

Network latency, bandwidth, window size, and window width are now metrics that you can filter by and that come with their own metrics.

For example, you can see the network round trip time of your visitors by country!

Map showing network RTT

Free NoScript testing tool

Not sure if your website requires JavaScript to load? Use our free NoScript test to find out.

It shows a screenshot of your site with and without JavaScript, as well as reporting LCP and page weight for both test results.

NoScript test result

New ecommerce case study

We talked to Blick Art Materials to learn more about how they use DebugBear to deliver the fastest website in their industry.

New articles to improve your website speed

We've published a bunch of new articles to help you improve visitor experience. For example:

New Youtube videos

We've been putting more effort into publishing videos to explain web perf issues in more detail:

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