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Today the Servo team has released v0.1.0 of the servo crate. This is our first crates.io release of the servo crate that allows Servo to be used as a library. We currently do not have any plans of publishing our demo browser servoshell to crates.io. In the 5 releases since our initial GitHub release in October 2025, our release process has matured, with the main “bottleneck” now being the human-wr
上記の例では、 <img> 要素の使い方を示しています。 src 属性は、埋め込みたい画像へのパスを保持します。srcset 属性が利用できる場合、src 属性は必須ではありません。ただし、src 属性または srcset 属性の少なくとも一方は指定しなければなりません。 alt 属性は、この画像のテキストによる代替情報を保持します。これは必須であり、アクセシビリティに非常に役立つものです。スクリーンリーダーは、この属性値をユーザーに読み上げるので、画像の意味が分かります。また、ネットワークエラーやコンテンツのブロック、リンク切れ等の理由で画像が読み込めなかった場合にも代替テキストが表示されます。 他にも、様々な目的で指定できる属性がたくさんあります。 セキュリティとプライバシーのためのリファラー/CORS 制御。 crossorigin および referrerpolicy を参照してく
March has a way of bringing a lot of new things to WebKit — and this year is no exception. With 44 features, 191 fixes and one deprecation, Safari 26.4 is a release packed with web technology. What’s most exciting? CSS Grid Lanes brings masonry-style layouts to the web platform — a long-awaited solution for building rich visual galleries and much more. WebTransport provides a modern alternative to
Published: March 3, 2026 Starting September 2026, Chrome will move to a two-week release cycle, from the current four-week cycle. Since 2021, Chrome has shipped a new milestone every four weeks—delivering security, stability, speed and simplicity to our users and the web. In 2023, we initiated a weekly security update to further improve our patch gap and introduced an early stable release to impro
2月13日(日本時間)、ブラウザ間でのWeb標準の相互運用性を向上するプロジェクト「Interop」の2026年プロジェクトが始まりました。 この記事では、昨年のInterop 2025の振り返りと、新たにInterop 2026でどのAPIが重点対象として選出されたのかについて触れていきます。 前提知識として、Interopそのものの取り組みについての解説については、以前書いたInterop 2025のプロポーザル投票が始まりました!をご覧ください。 Interop 2025の振り返り 2026年のInteropプロジェクトについて触れる前に、まずは昨年のInterop 2025プロジェクトについて振り返ってみましょう。 Stable Experimental 最新の安定版ブラウザでのリリースにおいては全体で95点まで達成されており、プレリリース版においては97点まで網羅されていました。
Robin Marx is a Web Performance Architect at Akamai Technologies. His main expertise is in network protocol performance, including HTTP/3 and QUIC, which was the topic of his PhD research. In a previous life he was a multiplayer game programmer and co-founder of LuGus Studios. YouTube videos of Robin are either humoristic technical talks or him hitting other people with longswords. Time-To-First-B
On the web, speed is everything. The responsiveness of your browser, the time it takes for a web app to appear, and how quickly that app handles user interactions all directly impact your experience as a web user. At Microsoft, we care deeply about improving web performance, and we’re making progress on it from several directions: Within the browser itself, by making Edge faster and more responsiv
Published: December 2, 2025 Here in Chrome Developer Relations, we've been talking a lot about Baseline these days, from the arrival of new web interoperable features all the way to the tooling that's implementing Baseline. However, we've not spent much time showing you how these features can all come together to help you build modern user experiences on the web without worrying about browser comp
Couple of weeks ago when I was publishing The Hidden Cost of URL Design I needed to add SQL syntax highlighting. I headed to PrismJS website trying to remember if it should be added as a plugin or what. I was overwhelmed with the amount of options in the download page so I headed back to my code. I checked the file for PrismJS and at the top of the file, I found a comment containing a URL: /* http
Tachi Code automatically detects source files in your browser and opens them in a powerful code editor. Whether you’re viewing an API response, source code on GitHub, or any other source file, Tachi Code transforms your browser tab into a fully functional code editor. Tachi Code uses the Monaco Editor, the same editor that powers Visual Studio Code, to provide a rich editing experience with LSP su
Published: September 16, 2025 Browserslist is a utility that tells build toolchains how to modify source code for a specified set of browsers. Browserslist relies on a query syntax that specifies exact versions of browsers, relative queries such as last 2 years, and even usage-based queries like > 0.5%. It's used by other popular tools such as Babel and PostCSS. Chances are, if you use any kind of
Note: For those eager to dive deep into how browsers work, an excellent resource is Browser Engineering by Pavel Panchekha and Chris Harrelson (available at browser.engineering). Please do check it out. This article is an overview of how browsers work. Web developers often treat the browser as a black box that magically transforms HTML, CSS, and JavaScript into interactive web applications. In tru
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