Sometimes I allow it to push to main. It wasn’t a problem so far ;)
06.03.2026 23:21
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Sometimes I allow it to push to main. It wasn’t a problem so far ;)
Get ready for "The Hidden Performance Cost of Web Videos" with Vlad Malanin on Tue, March 17th at 6PM @ Cloudflare!
⚠️ RSVPs close Fri, March 13th at 9AM ET
RSVP: meetup.com/web-performance-ny/events/313207419/
#nyc #meetup #webperformance
WebPerf Snippets and Agent SKILLs: deterministic audits with Chrome DevTools MCP
Claude Code report showing Usercentrics scripts causing performance issues by combining 'preload' and 'async'. It recommends removing preloads or using fetchpriority='low' to avoid competing with critical LCP resources.
I've been using WebPerf Snippets in my audits for years.
Scripts to measure LCP, INP, CLS, TTFB, Render Blocking...
The next step: turning them into tools an AI agent can use autonomously.
But there's a design decision that makes all the difference.
🧵
#WebPerf #WebPerformance #AI #DevTools #MCP
A slow UX affects people’s perception of three important brand elements that are completely unrelated to page speed: content, design, and usability.
Here's why that takeaway is relevant in an increasingly competition online landscape 👉 www.speedcurve.com/blog/brand-p...
#webperf #ux #pagespeed
To your face!
I finished Exhibit #4: The Unfortunate Shift of the UX Speed Museum - the famous "click the wrong button" experience that is so prominently known in CLS world.
Try dismissing those dialogs and have "fun": museum.uxspeed.dev/exhibits/unf...
Yeah, I tried using it, but didn’t want to use it for code formatting, link lookups and spell checking.
The rest was dreamed up in that noggin as they call it here.
Time to sleep, but I feel that tomorrow UX Speed museum will be getting a next exhibit - “The Unfortunate Shift”. Do you know what it’ll be? Reply with your guess ;)
I just used opencode to make a markdown file and converted it to Google Slides with md2gslidez. What are your AI-based slide-creation tools?
Congratulations, Ryan! Looking forward to working together!
I don't know about the AI, but I just used a web-based tool to solve a Rubik's cube! :mind-blown:
Third exhibit in UX Speed Museum, "The Layout Leap", is ready: museum.uxspeed.dev/exhibits/lay...
Experience how page layout shifts around (measured by CLS) and makes it hard to read the content; adjust the scrubber to make it worse or better and compare the experience to the stable layout. #webperf
Also an amazing feeling of being commander of the machine is very funny and new ;)
I wish this quality of software was available as part of dictation directly on the Mac and Apple devices, so I wouldn't have to buy a separate subscription for being able to speak to my computer.
Apple, please listen. We want to speak. Properly.
Already using it to write commands for Gemini CLI faster than I can type.
I mean, I am speaking to it right now to write this post as well ;)
Trying out Wispr Flow. Looks like a pretty cool app and can be combined well with live streaming of my vibe coding, so AI all the way!
Second exhibit on UX Speed Museum: "Input Abyss" is mostly ready - try it out and feel how slow UI updates for the input elements feel when your main thread is blocked (by your Javascript most likely). Feel it out with different values of INP: museum.uxspeed.dev/exhibits/inp... #webperf #uxspeed
I am Going 🟣 VIBE working on the UX Speed Museum: www.twitch.tv/sergeycherny...
Now I need to convince it be my interviewer and shadow writer as I know I can’t ship up when I’m asked something but can’t sit down to write to save my life.
That’s what kids now call SKILLS ;)
I completely gave un trying to migrate mine and it indeed has been that long since I blogged as well. Maybe I should try one more time not that the machine knows these things.
Yes! Visit places you wanted to visit, do a hobby, all those things we never have time for!
And try not to feel guilty not working or feeling anxiety of not having a job - I know it is easier said than done, but just ignore that when you can.
Couldn't sleep thinking of my old UX Speed Museum idea - ended up vibe-coding up the first exhibit for it:
museum.uxspeed.dev/exhibits/slo... #webperf
(now time to go sleep)
Hi friends I just got laid off along with 40% of Block. No idea what comes next, but if you have need for a Principal Frontend Engineer hit me up!
“Practical guide to the img element: from the basics to LCP” title, author’s name Joan León, code snippets, table of contents, and hashtags: images, webperf, core-web-vitals, html.
Practical guide to the <img> element: from basics to LCP. @nucliweb.net shows how srcset, sizes, modern formats AVIF and WebP via <picture>, fetchpriority, preload for the LCP image, and CDNs can improve Core Web Vitals. #performance #html
joanleon.dev/en/guia-prac...
Gold metal bracelet / cuff with leather inlay painted with gold white and black geometric shapes.
Posting it here as I removed my Instagram from my phone.
Latest family collab with my wife coming up with the concept and painting the leather, my son doing digital design for it and yours truly fabricating it (I didn’t make the metal part).
Metal bracelet, leather inlay, acrylic paint.
Currently looking for work and projects. Give me a shout or a DM if you have a project - ttrpg, card game, etc that's in need of illustration/art/concepts.
Can’t imagine doing anything like this with my weight and newly acquired knee problem, but it something to aspire too - looks awesome and looks like you are loving it, which is even more important!
Watching “Thinking Game” after re-binging “Person Of Interest” and contemplating the social impact of our current AI craze on all people starting with intellectual workers like software engineers.
