If you're collecting data from the field, you should *really* pay attention to the upcoming `fetchLater` API (née PendingBeacon) speedkit.com/blog/unload-be… Great research by Speed Kit folks!!

Do not miss the Web Performance Meetup Hamburg Thursday September 7th at LOTTO24.de new creative space. meetup.com/hamburg-web-pe… See you there! Talks will also be streamed on YT youtube.com/@HHWebPerforma…

It is Hamburg Web Performance Meetup day today! Join us at LOTTO24.de new creative space or live on YouTube. Event start at 6:30 (CET) Talks and live stream at 7:30 (CET) RSVP meetup.com/hamburg-web-pe… Live Stream youtube.com/watch?v=jkF6Xz…

#perfnow how does Island architecture deal with the carousel app containing the LCP elements but still needing to be initialized by JS?

#perfnow could speedometer 3 user element timing API for measuring the asynchronous part if all browsers supported it?

#perfnow does speedometer 3 workloads include Service Worker boot scenarios?

On which page types performance is most important for business success by Tammy Everts Aligns quite well with our findings at Speed Kit

#perfnow what do you think is the average impact in ms out there because of broken priorities in H3?

#perfnow how much help is ferchpriority when server implementations are that broken?

#perfnow would CSS instead of JS also be delayed in this way?

Trying to debug LCP times for pre rendered pages with #speculationrules If you are ever bored of #webpagetest waterfalls, try some perfetto traces. Very steep learning curve. I am still so confused Chrome please add performance profiling for pre render to dev tools

#PerfNow Harry Roberts about not using synthetic tests as performance monitoring. Changes might come from variance in the test setup. Do we not have same issue in RUM? E.g. investigating an LCP regression in our code just to find it was caused by an increase in bot traffic

Safari literally ahead of everyone #perfnow

#perfnow awesome improvements to dev tools perf panel in particular! Most important missing feature for me: being able to slow down responses. Any plans for something like this? Chrome

⏳💰 Time is money—especially online. Speed Kit helps top brands slash load times & boost profits. With Fastly, they’ve driven 5-10% higher conversions & major cost savings—even finding new ways to use Fastly that we had never imagined. Learn more: fastly.com/customers/spee…

Finally got to writing about our Predictive Preloads approach speedkit.com/blog/predictiv… If you are interested in great AI use cases or just like web performance, this is for you