Manuel Matuzović
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matuzo.at
Manuel Matuzović
@matuzo.at
3.8K followers 350 following 1.1K posts
frontend developer and consultant
HTML, CSS, accessibility
big fan of <button>s
creator of HTMHell
author of the Web Accessibility Cookbook
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matuzo.at
Manuel Matuzović @matuzo.at · Oct 30
Hi, I'm Manuel, a front-end dev, consultant, and accessibility auditor from Austria.

I have a blog (matuzo.at), a website where I post horrible HTML (htmhell.dev), and I recently wrote a book about accessibility for developers (accessibility-cookbook.com).

I post mainly about HTML, CSS, and a11y.
Home - Manuel Matuzovic
I'm a frontend developer in Graz, specialized in HTML, accessibility, and CSS layout and architecture.
matuzo.at
matuzo.at
On day 23 Justin Ferrell shows some love for the
element. #htmHellAdventCalendar

htmhell.dev/adventcalend...
For the Love of <details> - HTMHell
A collection of bad practices in HTML, copied from real websites.
htmhell.dev
December 24, 2025 at 9:47 PM
matuzo.at
On day 22 @vale.rocks takes us down memory lane. #HTMHellAdventCalendar

htmhell.dev/adventcalend...
The HTML Elements Time Forgot - HTMHell
A collection of bad practices in HTML, copied from real websites.
htmhell.dev
December 24, 2025 at 9:45 PM
matuzo.at
On day 21 Julia Undeutsch shows us how to use the lang attribute for multilingual design. #htmhellAdventCalendar

htmhell.dev/adventcalend...
Styling by Language: Using the lang Attribute for Multilingual Design - HTMHell
A collection of bad practices in HTML, copied from real websites.
htmhell.dev
December 24, 2025 at 9:44 PM
Reposted by Manuel Matuzović
ashleemboyer.com
I've had an execeptionally tough year.

I have no income or health insurance, and could really use your help finding my next paid project. 💜

semanticfish.com/2025-year-in...

Open to front-end, full-stack, design system, & accessibility projects. 10+ years experience.

Many more details in post!
2025: Year in Review | Semantic Fish Creative Group
This post gets personal about my experiences this year with grief, loss, health emergencies, and being disabled & working in accessibility in the US.
semanticfish.com
December 23, 2025 at 9:44 PM
matuzo.at
🤮 I'm glad I've started reducing my dependency of Google products this year.
404media.co 404 Media @404media.co · 3d
Google is hosting a CBP app that uses facial recognition to identify immigrants, while simultaneously removing apps that report the location of ICE officials because Google sees ICE as a vulnerable group.
Google Has Chosen a Side in Trump's Mass Deportation Effort
Google is hosting a CBP app that uses facial recognition to identify immigrants, while simultaneously removing apps that report the location of ICE officials because Google sees ICE as a vulnerable gr...
www.404media.co
December 23, 2025 at 8:11 PM
matuzo.at
Mac Miller's Circles is such a good album.
December 20, 2025 at 10:13 PM
matuzo.at
On day 20, Katrin Kampfrath talks about the usefulness and potential of the title element. #htmhellAdventcalendar

htmhell.dev/adventcalend...
The many lives of the page title - HTMHell
A collection of bad practices in HTML, copied from real websites.
htmhell.dev
December 20, 2025 at 9:32 PM
matuzo.at
On day 19 @knowler.dev shares his experience with divitis, a highly contagious disease. #htmhellAdventcalendar

htmhell.dev/adventcalend...
Semantics beyond the tag name - HTMHell
A collection of bad practices in HTML, copied from real websites.
htmhell.dev
December 20, 2025 at 9:30 PM
matuzo.at
It's wild how different CSS looks today.
hni-stack { display: block; &::part(root) { --_gap: var(--hni-gap-s); display: flex; gap: var(--_gap); } @container style(--hni-stack-gap: m) { &::part(root) { --_gap: var(--hni-gap-m); } } @container style(--hni-stack-gap: l) { &::part(root) { --_gap: var(--hni-gap-l); } } &[_debug] > * { outline: 4px solid red; } }
December 19, 2025 at 10:38 AM
matuzo.at
On day 18, @jensgro@mastodon.social shares his opinion about the state of native form elements in HTML. #htmhellAdventCalendar

htmhell.dev/adventcalend...
Forms are a badly designed part of HTML - HTMHell
A collection of bad practices in HTML, copied from real websites.
htmhell.dev
December 19, 2025 at 8:20 AM
matuzo.at
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...
Don't leave the screen reader hungry - HTMHell
A collection of bad practices in HTML, copied from real websites.
htmhell.dev
December 18, 2025 at 5:20 AM
matuzo.at
On day 16 Steve Barnett helps you create sound document outlines. #htmhellAdventcalendar

htmhell.dev/adventcalend...
Giving pages a clear shape by using headings - HTMHell
A collection of bad practices in HTML, copied from real websites.
htmhell.dev
December 17, 2025 at 7:33 PM
matuzo.at
Transferring my data to Qobuz so that I can finally cancel my Spotify subscription!
December 17, 2025 at 3:33 PM
Reposted by Manuel Matuzović
lara-amalia.bsky.social
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... 😊
December 16, 2025 at 7:34 PM
matuzo.at
R.I.P. Malte Pittner 🖤

youtu.be/OntgdM84SDQ?...
Deichkind - Bon Voyage (feat. Nina MC) (Official Video)
YouTube video by Showdown Records
youtu.be
December 16, 2025 at 11:02 AM
matuzo.at
On day 15 @tylersticka.com shows us how to break the web‽

htmhell.dev/adventcalend...
Them’s the Breaks - HTMHell
A collection of bad practices in HTML, copied from real websites.
htmhell.dev
December 16, 2025 at 7:25 AM
matuzo.at
On day 14 Maureen Holland feeds (🥁) us information. #htmhellAdventcalendar

htmhell.dev/adventcalend...
The Wonderful World of Web Feeds - HTMHell
A collection of bad practices in HTML, copied from real websites.
htmhell.dev
December 15, 2025 at 7:12 AM
matuzo.at
Oh no! I almost forgot to log into my FTP client and update the #HTMHellAdventcalendar like it's 1999! 🖤🔥
December 14, 2025 at 7:46 AM
matuzo.at
On day 13 @lloydi.com presents one of my favourite debugging tools. #htmHellAdventcalendar

htmhell.dev/adventcalend...
Hell is other people's markup - HTMHell
A collection of bad practices in HTML, copied from real websites.
htmhell.dev
December 13, 2025 at 8:53 PM
matuzo.at
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...
December 13, 2025 at 7:30 PM
matuzo.at
On day 12 @manuelsanchezdev.com lists things we need to consider when using Math on the web. #HTMHellAdventcalendar

htmhell.dev/adventcalend...
A11y Considerations in Math on the Web - HTMHell
A collection of bad practices in HTML, copied from real websites.
htmhell.dev
December 13, 2025 at 6:52 AM
matuzo.at
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.
December 12, 2025 at 7:42 PM
matuzo.at
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
A coin box from the oldschool super mario games: a yellow square with a question mark in a pixel font on it.
December 12, 2025 at 12:36 PM
matuzo.at
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. 😁
December 12, 2025 at 10:48 AM
matuzo.at
Yesterday I shared a photo of my car radio with Oliver Schöndorfer. He died a little on the inside.
Radio showing the time 19:38 in large type. The space between 1 and 9 is three times larger than the space between the other numbers.
December 12, 2025 at 7:41 AM