markuplint.dev/ from @cloud10designs “checks your HTML against the HTML Standard, WAI-ARIA, and other specifications — catching errors that browsers silently ignore but assistive technologies and search engines may not”. github.com/markuplint/markup… Has VS Code extension, more
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Ladybird is moving into a new phase as we work toward our first alpha release.
We are tightening how code enters the project: going forward, code changes will only be introduced by project maintainers, and we will no longer accept public pull requests.
ladybird.org/posts/changing-…
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Working on replacing the crappy content blocker in @ladybirdbrowser with adblock-rust from @brave and the results are excellent!
We'll ship with blocking off by default. You opt in and pick your own filter lists. We think that choice is yours, not ours :)
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Just passed the Turnstile check for the first time in @ladybirdbrowser (with a little help from Cloudflare 🧡)
domenic.me/streams-standard/ from @domenic. “A response to James Snell's "We deserve a better streams API for JavaScript", and a reflection on what it means to develop and implement web standards.” Worth taking the time to read in full.
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World's first memory safe X post.
WebKitGTK compiled with Fil-C++ sitting on top of a 100% Fil-C/Fil-C++ userland
It's still very slow and unreliable, but it's a full featured web browser, including a memory safe (JITless) JS impl
justhtml: A pure-Python 100% spec-conforming HTML(5) parser, with zero dependencies. From @EmilStenstrom. Relatively fast, and returns plain Python objects (a set of nested objects you can iterate over), not lxml/etree trees (so, no new API to learn).
github.com/EmilStenstrom/jus…
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We are proud to share that Cloudflare is sponsoring Ladybird at the Platinum level ($100,000)!
It means a lot that a big player like Cloudflare is supporting a small team like ours in building an independent browser for the open web! We're super grateful! 🧡☁️
A better internet depends on a diverse ecosystem. Today, we're proud to announce our support for @ladybirdbrowser (a completely independent browser built from scratch) and @OmarchyLinux (making Linux more approachable for devs). Super excited to see what the community builds!
“Copy Link to Highlight” / scroll-to-text-fragment (creating deep links to arbitrary text/ranges in a web page without hardcoded IDs) is now also experimentally supported in the stable version of Firefox — when you set dom.text_fragments.create_text_fragment.enabled to true
Firefox Developer Edition supports scroll to text fragment (i.e. #:~:text= links—developer.mozilla.org/en-US/…) and also creating such links, but only if you set dom.text_fragments.create_text_fragment.enabled to true (bugzilla.mozilla.org/show_bu…)
meyerweb.com/eric/thoughts/2…
“So it’s already been decided and we just have to bend over and take the changes our Googlish overlords have decreed!” many people shouted … but that’s not what’s happening here.
Use XSLT3 in frontend JavaScript code in any browser: saxonica.com/html/saxonjs/in…. SaxonJS is “high-performance” JS library you can use right now in any web doc/app where you want to do client-side XSLT3 transformations. And stop whining about lack of native XSLT support in browsers.
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My ahead-of-time JS engine Porffor eliminates JS cold starts on AWS Lambda. 12x faster and 2x cheaper than managed Node. Still very early but these results should speak for themselves :)
Blog with details below.
Chrome is moving away from LevelDB toward SQLite for all backend storage (for IndexedDB too). docs.google.com/document/d/1… says why: LevelDB is no longer being actively maintained (& was always expensive to maintain); SQLite is actively maintained & much better fit in practice anyway
“Can we use Wasmtime to build web script engine?” wusyong.github.io/posts/wasm… from @Yu_Wei_Wu explores the idea of using the (Rust-based) wasmtime github.com/bytecodealliance/… WebAssembly runtime as the basis for a JavaScript engine (alternative to @SpiderMonkeyJS) for @ServoDev
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This one is such a key insight from @awesomekling.
If you hire many engineers, you (typically) get many lines of code. The result is a vast code base that is costly to maintain further.
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First instance of a YouTube video playing in @ladybirdbrowser! And with sound, too! 🤯🐞
This is with MediaSource disabled, so it's using the 360p h.264 MP4 fallback. Props to @Lubrsi who just got this working tonight!




















