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New blog post: what I did in 2024 redblobgames.com/blog/2024-12-2… TL;DR: mouse drag events, more blogging, maps, font rendering

Have you ever noticed unexplainable performance degradations? Unattributed Navigation Overhead (UNO) is probably the missing link. Watch my Lightning Talk from the performance.sync() meetup in Amsterdam! #webperf #rum #ttfb #cwv youtube.com/watch?v=E2E89N…

🎙️ New year, more new content. We are continuing to explore data + content w/ the next stream: ✨ The Web Almanac LIVE STREAM II ✨ 📆 Thursday, January 16th ⏰ 14h EST, everytimezone.com/s/6e8b3a3d 🔗: youtube.com/live/zCiMls26C… HTTP Archive 💾's Web Almanac discussions will include this

Losing my shit, 20k views and the comments are all praise. I have no other way to phrase it: this is absolutely fucking retarded TLS is the successor to the now deprecated SSL. It encrypts your communications in transit. Do not call it SSL anymore.

HTTP/1.1/2/3 are all present in *some* unison on the web today, w/ a 21/70/9 split. Or is it? Robin Marx aka the Protocol Pontiff, will shed the light on the HTTP Archive 💾's Web Almanac data, and the realities of the protocol's adoption. Join us to hear him share findings

Here's a new article explaining why a poor PageSpeed Insights Performance score is often ok and how you can really tell if performance is a problem for you. debugbear.com/blog/poor-perf…

We just published a new free tool: test your website's Time to First Byte metric across 10 global test locations! 🚀 Check server response time 💻 View CDN cache status 🌎 See what region the response was served from debugbear.com/test/ttfb

I was a TA for Stanford's 2018 class on cryptocurrency. I helped teach the math of blockchain, cryptographic primitives that make up Bitcoin, smart contracts etc. But every office hours I would field questions from struggling students asking which coin they should buy. I kept

🧠 Thoughts on front-end frameworks and upgrade-hell: csswizardry.com/2025/01/build-…

Daily uploads and a two year review! rumarchive.com/blog/2025-01-2… #webperf

New in Chrome DevTools: Accurately emulate CPU performance of a low/mid tier phone with Automatic CPU throttling calibration! 📲 This feature calculates slow-downs for your specific device. Wanted this for years! We just shipped it.

Highly recommended read on how complex networking is when designing a game.

kids today will never know the pleasure of exporting a Photoshop design to many little GIFs and meticulously stitching them together in HTML4 tables

🆕 Introducing the new Latest view for Treo Site Speed: treo.sh/sitespeed • 6 months of data updated every week • newest metrics for LCP type, LCP subparts, and RTT • milliseconds option • multi-select for navigation types • and redesign of the charts

Day 011 #100DaysOfPerf: I shared the hpbn book (Day 002) that wall about levelling up on HTTP. Well, let's look at CURRENT HTTP data from the HTTP Archive 💾's Web Almanac. On deck ✨ HTTP ✨ by none other than Robin Marx. Let's take a look: 🧵⬇️ 🔸 almanac.httparchive.org/en/2024/http as

Dave Täht died yesterday. He was one of the unsung heroes of the Internet, and a close friend of mine who I will miss very badly. Dave, known on X as Dave Taht blog.cerowrt.org because his birth name was Michael, was a true hacker of the old school who touched the lives of everybody using X. His

Check out this cool shit

The Big Short stays wildly rewatchable. Fast, furious, and somehow makes finance thrilling—stacked cast firing on all cylinders.

Please stop building SPAs. Just because your pages all have the same header and footer, it does not mean you have a single page app. Over 90% of the SPA projects I’ve worked on should not have been SPAs (and were markedly worse because of it).