Really excited to see the support for compression dictionaries that @cloudflare.social is working on. Great background on the feature as well.
📝 New post: Losing Focus timkadlec.com/remembers/20...
Expressing some concerns I have about how all the AI-buzz is causing our industry to lose focus on what matters: the actual human beings using what we build.
Ticket sales are open!
perfnow.nl/tickets.html
I wrote "Your Voice" in 2016 to encourage people new to speaking & writing to be yourself, to find what's authentic for you and make sure you let that shine through in what you create.
Seeing so many social posts and blog posts clearly written by AI—it feels more important today than 10 years ago.
Wow this is very, very good! @whitep4nth3r.com
Doing my part to keep customer support people employed and paid one annoying and frustrated "please let me talk to a real person and never make me use this useless AI support again" message at a time.
The somewhat ironic part about all the backlog of code to review thanks to AI coding tools is that AI is _significantly_ better at code review than it is at code generation.
Six early-bird tickets left. Will they run out today? Or are you feeling lucky and wait for Monday?
perfnow.nl/tickets.html
p75 and p90 JavaScript bytes on the web have exploded since May, 2025—easily the largest 10 month period based on HTTP Archive data since 2023.
The long-tail is getting worse, very quickly.
Gemini, what happened in May 2025?
I'm very excited about this! Have seen some really significant impact in our tests. With the sizes of websites and JS payloads continuing to increase, this is both important and impactful.
On 19th and 20th of November 2026, the seventh edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.