Historia de la World Wide Web: cuadros cronológicos

Estándares Web

La tabla siguiente indica las fechas de publicación de las normas del WHATWG (living standards), de las recomendaciones del W3C y de las normas de ECMAScript. Las recomendaciones retiradas por el W3C se muestran tachadas.

Año HTML CSS DOM API XML Core Otros ECMAScript Año
Living
WHATWG		 HTML DOM Console, Fullscreen, Notifications, Storage, Streams, XMLHttpRequest Compatibility, Encoding, Fetch, MIME sniffing, Infra, Quirks mode, URL Living
WHATWG
Living
W3C		 Geolocation
Payment Request API
Vibration API
WebRTC 		ARIA in HTML
Web Content Accessibility Guidelines (WCAG) 2.1
Web Content Accessibility Guidelines (WCAG) 2.2
EPUB 3.3
EPUB Reading Systems
EPUB Accessibility 1.1 		Living
W3C
2025 Feb: CSS Snapshot 2024
 Abr: UI Events KeyboardEvent key Values
Abr: UI Events KeyboardEvent code Values 		Jun: Digital Publishing WAI-ARIA Module 1.1
Jun: Digital Publishing Accessibility API Mappings 1.1
May: Verifiable Credentials Data Model v2.0
May: Verifiable Credential Data Integrity 1.0
May: Data Integrity EdDSA Cryptosuites v1.0
May: Data Integrity ECDSA Cryptosuites v1.0
May: Securing Verifiable Credentials using JOSE and COSE
May: Controlled Identifiers v1.0
May: Bitstring Status List v1.0 		Jun: ECMAScript 16
Jun: ECMAScript I18n API (12ª ed)
Jun: ECMAScript embedded API (3ª ed) 		2025
2024 Oct: CSS Containment Module Level 1 (4ª ed)
May: Media Queries Level 3 (3ª ed)
Abr: CSS Box Model Module Level 3 		Ago: WOFF File Format 2.0 (4ª ed)
Abr: IMSC Hypothetical Render Model 		Dic: WebAssembly Core 2.0
Jun: ECMAScript 15
Jun: ECMAScript I18n API (11ª ed) 		2024
2023 Dic: CSS Snapshot 2023
Abr: CSS Box Model Module Level 3 		May: Web Share API Dic: WoT Discovery
Dic: WoT Architecture 1.1
Dic: WoT Thing Description 1.1
Oct: WCAG 2.2
Jun: WAI-ARIA 1.2
May: EPUB 3.3
May: EPUB Reading Systems
May: EPUB Accessibility 1.1 		Jun: ECMAScript 14
Jun: ECMAScript I18n API (10ª ed)
Jun: ECMAScript embedded API (2ª ed) 		2023
2022 Nov: CSS Snapshot 2022
Oct: CSS Containment Module Level 1 (3ª ed)
Abr: Media Queries Level 3 (2ª ed)
Ene: CSS Color Module Level 3 (4ª ed) 		Sep: Payment Request API
Sep: Geolocation API 		Sep: Payment Method Identifiers
Jul: Decentralized Identifiers (DIDs) 1.0
Mar: Verifiable Credentials DM 1.1
Mar: WOFF File Format 2.0 (3ª ed) 		Jun: ECMAScript 13
Jun: ECMAScript I18n API (9ª ed) 		2022
2021 Ene: HTML (2020-01) Dic: CSS Snapshot 2021
Ago: CSS Color Module Level 3 (3ª ed)
Feb: CSS Cascading and Inheritance Level 3 		Sep: DOM (2020-06) Jun: Web Audio API
Abr: Web Authentication Level 2
Ene: WebRTC 1.0 		Dic: ARIA in HTML
Nov: Trace Context
Nov: Verifiable Credentials DM 1.1
Mar: WOFF File Format 2.0 (2ª ed) 		Jun: ECMAScript 12
Jun: ECMAScript I18n API (8ª ed)
Jun: ECMAScript embedded API (1ª ed) 		2021
2020 Dic: CSS Snapshot 2020
Dic: CSS Containment Module Level 1 (2ª ed) 		Nov: DOM (2019-06) Nov: Audiobooks
Nov: Publication Manifest
Ago: TTML Profiles IMSC 1.2
Abr: WoT Architecture
Abr: WoT Thing Description
Feb: Trace Context 		Jun: ECMAScript 11
Jun: ECMAScript I18n API (7ª ed) 		2020
2019 Dic: CSS Writing Modes Level 3
Nov: CSS Containment Module Level 1
Ene: CSS Snapshot 2018 		Nov: High Resolution Time Level 2
Abr: Pointer Events Level 2
Mar: Web Authentication Level 1
Feb: User timing Level 2 		Nov: Verifiable Credentials DM 1.0
Oct: ACT Rules Format 1.0 		Dic: WebAssembly Core Specification
Dic: WebAssembly Web API
Dic: WebAssembly JavaScript Interface
Jun: ECMAScript 10
Jun: ECMAScript I18n API (6ª ed) 		2019
2018 Feb: HTML Media Capture Nov: CSS Snapshot 2018
Oct: Selectors Level 3 (2ª ed)
Sep: CSS Fonts Module Level 3
Jun: CSS Basic User Interface Module Level 3
Jun: CSS Color Module Level 3 (2ª ed) 		Jun: WebDriver
Ene: Indexed Database API 2.0 		Dic: Accessible Name and Description Computation 1.1
Nov: TTML 2
Nov: TTML 1.0 (3ª ed)
Nov: TTML profiles IMSC 1.1
Oct: Graphics Accessibility API Mappings
Oct: WAI-ARIA Graphics Module
Jun: WCAG 2.1
Abr: TTML profiles IMSC 1.0.1
Mar: WOFF File Format 2.0 		Jun: ECMAScript 9
Jun: ECMAScript I18n API (5ª ed) 		2018
2017 Dic: HTML 5.2
Oct: HTML 5.1 (2ª ed) 		Ene: CSS Snapshot 2017 Dic: Core Accessibility API Mappings 1.1
Sep: Encrypted Media Extensions
Ene: Web Cryptography API 		Dic: Digital Publishing WAI-ARIA Module 1.0
Dic: Digital Publishing Accessibility API Mappings
Dic: WAI-ARIA 1.1
Ene: Webmention 		Jun: ECMAScript 8
Jun: ECMAScript I18n API (4ª ed) 		2017
2016 Nov: Media Source Extensions
Nov: HTML 5.1 		Nov: Geolocation API (2ª ed)
Oct. Pointer Lock
Oct: Vibration API (2ª ed)
Abr: Web Storage (2ª ed) 		Dic: Content Security Policy Level 2
Jun: Subresource Integrity
Abr: TTML profiles IMSC1 		Jun: ECMAScript 7
Jun: ECMAScript I18n API (3ª ed) 		2016
2015 Feb: HTML Image Description Oct: CSS Snapshot 2015 Nov: DOM4 Nov: HTML Canvas 2D Context
Oct: Web Notifications
May: Web Messaging
Feb: Pointer Events
Feb: Vibration API
Feb: Server-Sent Events
Ene: Indexed Database API 		Sep: State Chart XML
Sep: ATAG 2.0 		Jun: ECMAScript 6
Jun: ECMAScript I18n API (2ª ed) 		2015
2014 Oct: HTML 5 Mar: CSS Namespaces Module Level 3 (2ª ed) Mar: Metadata API for Media Resources
Feb: Progress Events
Ene: Cross-Origin Resource Sharing 		May: EmotionML
Abr: MathML 3.0 (2ª ed)
Mar: WAI-ARIA 1.0
Mar: WAI-ARIA 1.0 User Agent 		2014
2013 Nov: CSS Style Attributes Dic: Performance timeline
Dic: User timing
Oct: Widget interface
Oct: Page visibility (2ª ed)
Oct: Geolocation
Oct: Touch Events
Jul: Web storage
May: Page visibility
Abr: XML Digital Signatures for Widgets
Feb: Selectors API Level 1 		Sep: TTML 1.0 (2ª ed) 2013
2012 Jun: Media Queries Dic: High Resolution Time
Dic: Navigation Timing
Nov: Packaged Web Apps (Widgets) (2ª ed)
Jun: The 'view-mode' Media Feature
Feb: Widget Access Request Policy 		Dic: WOFF File Format 1.0
Sep: Media fragments URI 1.0 (basic)		 Dic: ECMAScript I18n API 2012
2011 Sep: Selectors Level 3
Sep: CSS Namespaces Module
Jun: CSS Color Module Level 3
Jun: CSS 2.1 		Sep: Widget Packaging and XML Configuration Sep: InkML
Ago: SVG 1.1 (2ª ed)
Jul: CCXML 1.0 		Jun: ECMAScript 5.1 2011
2010 Nov: XHTML 1.1 (2ª ed)
Nov: XHTML Print (2ª ed)
Nov: XHTML Basic 1.1 (2ª ed)
Jul: Modulariz. XHTML 1.1 (2ª ed) 		Nov: TTML 1.0
Oct: MathML 3.0
Sep: SSML 1.1 		2010
2009 Oct: XForms 1.1
Feb: EMMA 		2009
2008 Oct: Modulariz. XHTML 1.1
Oct: RDFa en XHTML
Jul: XHTML Basic 1.1 		Abr: CSS 2 (revisión) Nov: XML 1.0 (5ª ed) Dic: SVG Tiny 1.2
Dic: WCAG 2.0
Dic: SMIL 3.0
Oct: PLS 1.0 		Dic: ECMAScript (5ª ed) 2008
2007 Oct: XForms 1.0 (3ª ed)
Abr: SISR 1.0
Jun: VoiceXML 2.1 		2007
2006  Sep: XHTML Print Ago: XML 1.1 (2ª ed)
Ago: XML 1.0 (4ª ed) 		Mar: XForms 1.0 (2ª ed) 2006
2005 Dic: SMIL 2.1
Ene: SMIL 2.0 (2ª ed) 		Dic: E4X (2ª ed) 2005
2004 Abr: DOM 3 (core, load and save)
Ene: DOM 3 (validation) 		Feb: XML 1.1
Feb: XML 1.0 (3ª ed) 		Sep: SSML 1.0
Mar: SRGS 1.0
Mar: VoiceXML 2.0 		Jun: ECMAScript para XML (E4X) 2004
2003 Ene: DOM 2 (HTML) Oct: XForms 1.0
Oct: MathML 2.0 (2ª ed)
Ene: SVG 1.1
Ene: Mobile SVG 		2003
2002 Ago: XHTML 1.0 (2ª ed) 2002
2001 May: XHTML 1.1
May: Notación Ruby
Abril: Modularización XHTML 		Sep: SVG 1.0
Ago: SMIL 2.0
Feb: MathML 2.0 		Jun: ECMAScript (3ª ed) compact profile 2001
2000 Dic: XHTML Basic
Ene: XHTML 1.0 		Nov: DOM 2 (core, views, events, style, traversal and range) Oct: XML 1.0(2ª ed) Feb: ATAG 1.0 2000
1999 Dic: HTML 4.01 Ene: CSS 1 (revisión) Jul: MathML 1.01
May: WCAG 1.0 		Dic: ECMAScript (3ª ed) 1999
1998 Abr: HTML 4.0 (revisión) May: CSS 2 Oct: DOM 1 Feb: XML 1.0 Jun: SMIL 1.0
Abr: MathML 1.0 		Ago: ECMAScript (2ª ed) 1998
1997 Dic: HTML 4.0
Ene: HTML 3.2 		Jun: ECMAScript (1ª ed) 1997
1996 Dic: CSS 1 1996
1995 Nov: HTML 2.0 1995
Año HTML CSS DOM API XML Core Otros ECMAScript Año

Estándares gráficos

La tabla siguiente indica las fechas de publicación de las recomendaciones del W3C relacionadas con gráficos.

Año PNG WebCGM SVG Año
2025 Jun: PNG (3ª ed) 2025
... ...
2011 Ago: SVG 1.1 (2ª ed) 2011
2010 Mar: WebCGM 2.1 2010
2009 2009
2008 Dic: SVG Tiny 1.2 2008
2007 Ene: WebCGM 2.0 2007
2006 2006
2005 2005
2004 2004
2003 Nov: PNG (2ª ed) Ene: SVG 1.1
Ene: Mobile SVG 		2003
2002 2002
2001 Dic: WebCGM 1.0 (2ª ed) Sep: SVG 1.0 2001
2000 2000
1999 Ene: WebCGM 1.0 1999
1998 1998
1997 1997
1996 Oct: PNG (1ª ed) 1996
Año PNG WebCGM SVG Año

Estándares XML

La información sobre las recomendaciones relacionadas con XML se pueden consultar en la página Normas y recomendaciones XML de los apuntes de XML.