Mac Miller's Circles is such a good album.

On day 20, Katrin Kampfrath talks about the usefulness and potential of the title element. #htmhellAdventcalendar htmhell.dev/adventcalend...

On day 19 @knowler.dev shares his experience with divitis, a highly contagious disease. #htmhellAdventcalendar htmhell.dev/adventcalend...

It's wild how different CSS looks today.

On day 18, @[email protected] shares his opinion about the state of native form elements in HTML. #htmhellAdventCalendar htmhell.dev/adventcalend...

On day 17 @gerireid.com explores the gap between what's rendered on the screen and what screen readers actually announce. #htmhellAdventcalendar htmhell.dev/adventcalend...

On day 16 Steve Barnett helps you create sound document outlines. #htmhellAdventcalendar htmhell.dev/adventcalend...

Transferring my data to Qobuz so that I can finally cancel my Spotify subscription!

looking for website inspiration 👀✨ what are your favorite personal dev portfolios/blogs (or websites of small dev/design agencies)? I'm not talking super whimsical (although they are great 🤩), but beautifully made, nice to look at and read, great typography, nice little extras... 😊

R.I.P. Malte Pittner 🖤 youtu.be/OntgdM84SDQ?...

On day 15 @tylersticka.com shows us how to break the web‽ htmhell.dev/adventcalend...

On day 14 Maureen Holland feeds (🥁) us information. #htmhellAdventcalendar htmhell.dev/adventcalend...

Oh no! I almost forgot to log into my FTP client and update the #HTMHellAdventcalendar like it's 1999! 🖤🔥

On day 13 @lloydi.com presents one of my favourite debugging tools. #htmHellAdventcalendar htmhell.dev/adventcalend...

It's been 7 years since I wrote on of my first posts about accessibility ever and my first and only post for 24a11y. 😯 www.24a11y.com/2018/i-threw...

On day 12 @manuelsanchezdev.com lists things we need to consider when using Math on the web. #HTMHellAdventcalendar htmhell.dev/adventcalend...

If you gave me a Euro for every time I heard someone say “But how's it possible that the website's inaccessible? It was relaunched by [The Agency] only 4 months ago.” I could easily have a meal at a fancy restaurant.

I just drew this with CSS using a single div and I'm very proud of myself. From now on you can call me Lil' Lynn Fisher. 😁 PS: If you don't know @lynnandtonic's work, check it out: a.singlediv.com

I finally have time to work on my new website a bit, but instead of focusing on the important stuff I keep adding easter eggs. 😁

Yesterday I shared a photo of my car radio with Oliver Schöndorfer. He died a little on the inside.

I learned about `sibling-index()` at a meet-up recently. It's super useful for building complex layouts! developer.mozilla.org/en-US/docs/W...

On day 11 Robin Whittleton shares what he knows about HTML for ePub. #htmHellAdventcalendar htmhell.dev/adventcalend...

On day 10 @stevefaulkner.bsky.social revisits the 1st rule of ARIA, which he originally formulated, and there's also something about beavers…I think. #HTMHellAdventcalendar htmhell.dev/adventcalend...

Made a site comparing the sizes of living things :) The great Julius Csotonyi spent 5 months painting over 60 illustrations for the site, no ai used > neal.fun/size-of-life/

I just replied to a mail from May. That's not even the oldest mail in my inbox. Sometimes I suck soo much at e-mail.

A client just told me that non-developers in their team took the error descriptions and remediation notes from my accessibility audit, ran it through Co-Pilot and had it fix the issues. Before they shipped the changes a developer reviewed them. 1/2

On day 9 you discover dialog with @sjoy.lol #htmhellAdventCalendar htmhell.dev/adventcalend...

We've published one third of the #htmhellAdventcalendar! How do you like it so far?

On day 8 @patrickbrosset.com illustrates how the fact that HTML is so forgiving can be a blessing and a curse. #htmhellAdventCalendar htmhell.dev/adventcalend...

One of my highlights of the year is always the #HTMHell Advent Calendar curated by @matuzo.at, containing an article daily on security, a11y, UX or performance, written by authors from around the world. Go check it out and catch up on previous days' articles: www.htmhell.dev/adventcalend...

Movie you’ve watched more than six times with a gif. Hard mode: no Stars (Wars nor Trek), LOTR, or Marvel.

Trump does a fantastic job of reminding me almost daily to invest my money in European and not American businesses.

On day 7 @aubreysambor.com introduces the Invoker Commands API. #HTMHellAdventCalendar htmhell.dev/adventcalend...

On day 6 @toddl.dev reminds us how powerful the lang attribute is #HTMHellAdventCalendar htmhell.dev/adventcalend...?

The girls and I started the day with some bangers by Lady Gaga. 🖤

On day 5 @kilianvalkhof.com dives deep into IDREFs. #htmhellAdventCalendar htmhell.dev/adventcalend...

I’m speaking at Web Day Out 2026 in Brighton next year! 🎉 I'm super excited for this event. The line-up looks fantastic! You can use the discount code JOIN_MANUEL to save 10% off the original price. See you there! webdayout.com

I share my thoughts on alternative text for CSS generated content in this video for #htmhell. youtu.be/aHjcx-F5qos?...

There are accessibility bugs in Popovers that hindered a client of mine from using them. matuzo.at/blog/2025/de...

On day 4 @hm8128.me introduces us two future solutions for creating cross-root references. #HTMHellAdventCalendar htmhell.dev/adventcalend...

On day 3 @tunetheweb.com introduces us to Speculation Rules and recent improvements to the API that help us speed up our websites. #HTMHellAdventCalendar htmhell.dev/adventcalend...

That's a hard but fun game! www.nytimes.com/games/connec...

What's the best alternative to Spotify? Have you switched from Spotify to another service? Do you miss anything?

Gecko: Intent to ship: CSS Anchor Positioning

Hey folks, tomorrow myself and a bunch of other web perf experts are going to be talking about all things Core Web Vitals! Come join us live Dec 3 at 11am Eastern! #webperf cc @henrihelvetica.bsky.social www.youtube.com/live/dQqqOYA...

Well … if I could have a wish for Christmas … how about joining the “Friends of beyond tellerrand”? Be part of #btconf and make it independent. 🤘 beyondtellerrand.com/friends-of-bt 🙏 Thank you!

On day 2 @boldewyn.bsky.social reminds us of a hellish deprecated element in HTML: `<plaintext>` htmhell.dev/adventcalend...

The first Frontend Graz meet-up (formerly CSS-in-Graz) in my office. ❤️

On day 1 of the #HTMHellAdventCalendar @5t3ph.bsky.social describes an accessibility issue that can arise when you use popovers and dialogs together. htmhell.dev/adventcalend...

It's December 1st, which means that throughout the entire month you should reserve 5-10 minutes every day to read a fantastic article about HTML. ❤️‍🔥 Check out what's hidden behind the first door. htmhell.dev/adventcalendar