W3C
The World Wide Web Consortium, an international standards organization responsible for developing and promoting core web technology specifications including HTML and CSS. Its membership comprises major technology companies and research institutions.
Core Facts
WCAG (Web Content Accessibility Guidelines) is developed by W3C; the current mainstream version is WCAG 2.1, with three compliance levels: A, AA, and AAA.
WebRTC was open-sourced by Google in 2011 and was subsequently standardized by W3C and IETF.
WebGPU is a W3C-standardized browser graphics and compute API that was officially released in Chrome in 2023, designed to replace WebGL.
Timeline (last 90 days)
If the WebAI capability has not entered discussions at standards bodies such as W3C or WHATWG, it may just be Opera's proprietary implementation, and developers need to assess migration costs when integrating.
The usual process for forming a web standard is: first a vendor or community proposes a draft specification, then it goes through developer feedback and verification by multiple implementations, and ultimately it may be submitted to standards organizations such as the W3C or WHATWG.
SPARQL is the W3C-defined query language for RDF graph data, and its 1.1 version includes complex features such as graph pattern matching, aggregation, property paths and federated queries (SERVICE).
The W3C DID Method Registry (2024-12 edition) lists 28 DID methods.
The W3C transcription guidance (Making Audio and Video Media Accessible) requires that transcripts include all spoken content and important non-speech information (such as laughter and warning sounds), and that an easily discoverable link be provided near the media.
The W3C guidance recommends that transcripts be published as HTML text rather than images or client-side-only rendering, to ensure accessibility for assistive technologies and search engines.
XSLT 1.0 became a W3C Recommendation in 1999.
XSLT stands for Extensible Stylesheet Language Transformations and belongs to the XSL specification family defined by the W3C, alongside XPath and XSL-FO.
llms.txt is not a formal standard of the W3C or any standards organization, and mainstream vendors have not publicly committed to following it.
SSML (Speech Synthesis Markup Language) is a speech synthesis markup language developed by the W3C that uses XML to describe how text should be read aloud, and mainstream TTS engines all support a subset of it.
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All Facts (20)
WCAG (Web Content Accessibility Guidelines) is developed by W3C; the current mainstream version is WCAG 2.1, with three compliance levels: A, AA, and AAA.
90%VerifiedWebRTC was open-sourced by Google in 2011 and was subsequently standardized by W3C and IETF.
80%VerifiedWebGPU is a W3C-standardized browser graphics and compute API that was officially released in Chrome in 2023, designed to replace WebGL.
80%VerifiedWebAssembly 由 W3C 于 2019 年正式标准化，是一种低级字节码格式，允许C/C++、Rust等语言编译后在浏览器中以接近原生速度运行
75%VerifiedWebAssembly（WASM）是一种可在现代浏览器中以接近原生速度运行的二进制指令格式，允许将C/C++或Rust编写的高性能代码编译成浏览器可执行格式
70%VerifiedPasskey is based on the W3C WebAuthn standard and the FIDO Alliance's FIDO2 specification, with asymmetric key encryption at its core, where the private key is securely stored on the device and never leaves it.
70%VerifiedThe W3C organization has published standard specifications for Decentralized Identifiers (DID) and Verifiable Credentials (VC).
65%VerifiedFIDO2 is a passwordless authentication standard jointly developed by the FIDO Alliance and W3C, comprising two core components: WebAuthn and CTAP.
65%VerifiedThe ActivityPub protocol was formally standardized by the W3C in 2018, allowing different instances to mutually follow, repost, and interact, forming a distributed social network that requires no central server.
65%VerifiedWebGPU是W3C正在推进的新一代Web图形与计算API标准，旨在替代WebGL，对标Vulkan、Metal、Direct3D 12
65%VerifiedThe browser-side AI capability technology stack is jointly composed of underlying hardware acceleration standards such as WebGPU and WebNN.
65%VerifiedFIDO2 is a passwordless authentication standard jointly developed by the FIDO Alliance and W3C, operating on the principle of asymmetric encryption.
65%VerifiedWCAG is developed by W3C; the current mainstream version is WCAG 2.1, and WCAG 2.2 was officially released in 2023.
65%UnverifiedCSS Color Level 4中新增了颜色关键字rebeccapurple（#663399），于2014年被正式纳入规范，是为了纪念CSS先驱Eric Meyer的女儿Rebecca而命名的
95%Unverified现代浏览器通过Web Serial API可以直接访问串口设备，使得HTML版串口调试助手完全可行
90%UnverifiedW3C和WHATWG持续推动HTML中'结构与表现分离'的理念
90%UnverifiedWeb Serial API是由W3C的WICG（Web Incubator Community Group）提出的浏览器标准
85%UnverifiedARIA（Accessible Rich Internet Applications）是W3C于2008年首次发布、2017年推出1.1版本的技术规范
85%Unverified业界知名的设计Token标准如Style Dictionary和Design Tokens W3C规范均采用JSON作为核心格式
85%UnverifiedCSP最早由Mozilla在2004年前后提出概念，2012年作为W3C候选推荐标准（CSP Level 1）正式发布
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