Nazım Can Altınova

We had a great first Real User Meeting (a.k.a RUM RUM) at Google Amsterdam today via our W3C RUM Group today!

Great way to kick off #perfnow, with 70 people working on building a RUM+ updates from both Firefox and Chrome🚀😄

Firefox 144 ships interactionId for INP – Mozilla Performance TL;DR Firefox 144 ships PerformanceEventTiming.interactionId, which lets browsers and tools group events that belong to the same user interaction. This property is used to calculate Interaction to Nex...

Firefox 144 now supports INP! 🦊

We just shipped interactionId, the piece that makes Interaction to Next Paint work. It helps browsers connect events from the same interaction and measure how responsive pages really feel.

More here: blog.mozilla.org/performance/...

performance.sync() 2025 · Luma performance.sync() is a meet-up taking place on the evening before the performance.now on Wednesday October 29th! We are looking for speakers! Submit your…

performance.now() is coming!

The night before the conference, 29th of October, @mozilla.org organises performance.sync(), the pre-meetup where you can meet your peers to mentally prepare for two days of information overload. They're also looking for a few people to present.
luma.com/ziykhh4y

Thanks a lot for the kind words Henri! 😊

Last, but certainly not least, we have @canova.bsky.social showing us how to collaborate using the Firefox Profiler. fosdem.org/2025/schedul... #webperf #fosdem

Introducing the Chrome Extension for the Firefox Profiler – Mozilla Performance What is the Firefox Profiler? The Firefox Profiler is a performance analysis tool designed to help developers understand and optimize the performance of websites and Firefox itself. It allows you ...

We’ve just released a Chrome extension for the Firefox Profiler! 🚀 See how it can enhance your performance workflow in our latest blog post!
blog.mozilla.org/performance/...

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