Firefox for Web Developers
@FirefoxWebDevs
Official Firefox account for people who build on the web. Learn about the things we're working on to grow and improve the web platform.
Dit vind je misschien leuk
Oh hello! We've had a bit of a rename & rebrand (formally @mozhacks), but the content will be roughly the same as it's been for the past few months. We're looking forward to posting more on web platform & DevTools features.
Another API proposal from TPAC: CSS routes and navigation queries, meaning less JavaScript is needed for view transitions!
Out-of-order HTML patching, another proposal from TPAC, lets HTML be presented non-linearly, and a single file can update multiple parts of the page. Would this feature be useful to you?
streamHTMLUnsafe() was presented at TPAC last week. Finally, an API that lets you easily use the streaming HTML parser from JavaScript! Here's a quick overview:
Two-phase view transitions, for faster cross-document transitions, were presented at TPAC last week. Here's a quick 3min overview… youtube.com/watch?v=A6rO9R…
youtube.com
YouTube
Two-phase view transitions
The W3C Security Web Application Guidelines Community Group wants to understand how developers are using specific web platform security features, and what the barriers are to the adoption. Take their survey here: bit.ly/3JR6JML
Last week I posted about a secret config in Firefox that made view transitions easier to debug. @SailorPsy said we should make it less secret. So we did.
Ever wish HTTP status codes were easier to remember? 🖼️ Check out this MDN cheatsheet that pairs each status code with an emoji to help you visualize what each one means, from 200 OK ✅ to 418 I’m a teapot 🫖 Check it out 👇
Happy #DebianDay! Happy 32nd birthday to @debian, one of the oldest operating systems based on the #LinuxKernel, and the basis for #Ubuntu, #Kali, and #LinuxMint! 🐧🎈🎂 Thank you, #Debian community, for all your amazing work! @ubuntu @linuxmint @kalilinux
Do you test? You should. 🧪 MDN's testing curriculum covers key testing techniques like unit testing, integration testing, and functional testing, giving you the skills to build and maintain error-free applications. Start with fundamentals 👇 developer.mozilla.org/en-US/curricul…
📈 We’ve done over 47 million scans and insights into 6.5 million websites. MDN Observatory is your go-to for the latest security trends and guidelines. Stay ahead of threats with the analysis! Check your site now 👇 developer.mozilla.org/en-US/observat…
[Nightly Blog] Turn Tabs To Their Side – These Weeks in Firefox: Issue 177 blog.nightly.mozilla.org/2025/03/11/tur…
Are you still not using JavaScript Sets? Discover ↓ ✨ set.union() ✨ set.intersection() ✨ set.difference() See how sets might make your data efficient. Dive in! 👇 developer.mozilla.org/en-US/blog/jav…
ICYMI ⚠️ JavaScipt date object has been tricky for years, and it's changing soon. The NEW Temporal API brings, 🌍 Easily handle time zones 📆 Precise date math 🕒 Parse ISO strings without errors ⌛ Durations, date ranges, and more. Start exploring 👇 developer.mozilla.org/en-US/blog/jav…
You can now switch to vertical tabs from your tabs context menu
What you probably know: ✅ 200 OK 🔀 301 Moved Permanently ⚠️ 404 Not Found ⛔ 500 Internal Server Error What you might not: 🫖 418 I'm a teapot 💾 206 Partial Content 🔓 451 Unavailable for Legal Reasons Get a deep dive into status codes ↓ developer.mozilla.org/en-US/docs/Web…
United States Trends
- 1. Warner Bros 137K posts
- 2. HBO Max 61.1K posts
- 3. #FanCashDropPromotion 1,617 posts
- 4. #NXXT_CleanEra N/A
- 5. #FridayVibes 4,957 posts
- 6. Good Friday 61.3K posts
- 7. Paramount 28.6K posts
- 8. NextNRG Inc 2,026 posts
- 9. Ted Sarandos 4,595 posts
- 10. Jake Tapper 62.3K posts
- 11. Cyclist 2,390 posts
- 12. David Zaslav 2,222 posts
- 13. $NFLX 5,732 posts
- 14. TINY CARS 1,904 posts
- 15. The EU 144K posts
- 16. National Security Strategy 14.2K posts
- 17. Bandcamp Friday 2,146 posts
- 18. #FridayMotivation 4,886 posts
- 19. Core PCE 3,547 posts
- 20. #FridayFeeling 2,101 posts
Dit vind je misschien leuk
-
Chrome for Developers
@ChromiumDev -
Mozilla
@mozilla -
Firefox DevTools
@FirefoxDevTools -
MDN Web Docs
@MozDevNet -
Node.js
@nodejs -
Firefox Nightly 🔥
@FirefoxNightly -
Addy Osmani
@addyosmani -
John Resig
@jeresig -
Heroku
@heroku -
OpenJS Foundation
@openjsf -
Microsoft Edge Dev
@MSEdgeDev -
Ilya Grigorik
@igrigorik -
CSS Working Group
@csswg -
JSConf
@jsconf -
Codrops
@codrops
Something went wrong.
Something went wrong.