To deliver against our vision and enable a better online experience for everyone, we’ve been working hard on making @Firefox even faster. We’re extremely happy to report that this has resulted in a significant improvement in speed over the past year. 💨 mzl.la/49k8IBg

Performance Wins: We recently blogged about how optimizing vs benchmarks can help real world performance recent performance wins: hacks.mozilla.org/2023/10/down-a…

Benchmarking Browsers, by Bas Schouten #PerfNow perfnow.nl/live-stream

I apricated on my morning walk. ☀️

I'm excited to be returning to FOSDEM @[email protected] in February, and this time I'll be helping to facilitate the #webperf devroom with Ss!

Presentations - Call for Participation dlvr.it/Sz3JNY

We’ve added markers in Firefox Profiler to indicate LargestContentfulPaint, which is now available in Firefox Nightly. This allows users to see LCP and other metrics directly on the profiles they capture. Here’s an example profile: share.firefox.dev/3G2wynn developer.mozilla.org/en-US/docs/Web…

The FOSDEM @[email protected] 2024 #webperf schedule has been published! Thank you to everyone who submitted a proposal. We can't wait to see you all in Brussels! fosdem.org/2024/schedule/…

The #webperf devroom at FOSDEM @[email protected] in Brussels on Sunday 4th February will be streamed live, but if you're able to join us in person you'll also be able to pick up some of these stickers! See the full schedule at buff.ly/3u6kpeP

On my way to Brussels for FOSDEM @[email protected] this weekend! Come along to the #webperf and Mozilla developer rooms on Sunday if you can!

We’re kicking off the #webperf developer room at FOSDEM @[email protected] in room H.2214 with Bas Schouten from Mozilla talking about performance for information equity. Watch live at live.fosdem.org/watch/h2214

The devices we're using aren't the devices that others are using (And the Itel S23 is nothing like the Samsung Galaxy S23 😬) By Bas Schouten Performance Tech Lead, Mozilla FOSDEM @[email protected] #FOSDEM #performance #information #equality

3rd talk: Barry Pollard, Web Performance Developer Advocate Chrome about loading pages instantly. SPAs tried to address this, but need to load everything up front first. TIL: what SPA actually stands for. Totally going to steal this 😆

4th talk FOSDEM @[email protected]: Patricija Cerkaite talks about #keyboard #interactions, #INP and the science behind it Chrome 🤓

6th talk FOSDEM @[email protected] No time to type AND pay attention (browsers are also single threaded, so can't expect too much from me either 😆), so just copy+paying the title: "Understanding how the web browser works, or tracing your way out of (performance) problems" by Alex Timin #FOSDEM

7th talk: Markus Stange from the performance & Firefox profiler team, with a.. meta-talk? Optimizing #JavaScript #Performance of a Performance profiler 🤓 "Squeeze the last bits of performance out of JS" FOSDEM @[email protected]

We had so much fun learning about #webperf at FOSDEM @[email protected]! Thank you to everyone that joined our devroom in person or remotely. You can now revisit or catch up on all the talks, which we've gathered together at blog.mozilla.org/performance/20… See you again next year!

The Firefox Performance team are organising a meet-up on the evening before the popular performance.now() conference in Amsterdam next month. Learn more, and find out who’s speaking at lu.ma/z1qt2a63

The schedule for the #webperf devroom at FOSDEM @[email protected] 2025 has been published! Check it out at fosdem.org/2025/schedule/… #fosdem

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/20…