Research this topic
Explore the main themes, entities and connections around HTML5. Start with the topic map, then use the sections below for research and deeper semantic analysis.
Explore this topic
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
History
Features
Features and APIs
Overview
Key facts & relationships
High-confidence facts extracted from structured source data. Use them as anchors for further research.
- Developed by
- WHATWG · World Wide Web Consortium (W3C; formerly)
- Extended from
- HTML4, XHTML1, DOM2 HTML
- Extended to
- HTML LS
- Initial release
- 22 January 2008 (18 years ago) (2008-01-22)
- Internet media type
- text/html
- Latest release
- 5.2 (Second revision) 14 December 2017 (8 years ago) (2017-12-14)
Topics to explore
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.Browse the full topic structure. Each item opens a new analysis centered on that subject.
Overview
- Markup language
- Hypertext
- World Wide Web
- HTML
- World Wide Web Consortium
- HTML Living Standard
- Web Hypertext Application Technology Working Group
- Apple Apple Inc.
- Mozilla
- Microsoft
- Multimedia
- Web browsers Web browser
- Parsers Parsing
- XHTML's XHTML
- Backward-compatible
- HTML 4
- Document Object Model
- Application programming interfaces Application programming interface
- Web applications Web application
- Syntactic Syntax (programming languages)
- Graphical 2D computer graphics
- <video> HTML video
- <audio> HTML audio
- <canvas> Canvas element
- Elements HTML element
- Scalable vector graphics
- MathML
- Semantic Semantic Web
- <article> Article element (HTML5)
History
- XHTML 2.0
- W3C
- Mozilla Foundation
- Opera Software
- Ian "Hixie" Hickson Ian Hickson
- David Hyatt Dave Hyatt
- Google Chrome
- Safari Safari (web browser)
- Firefox 3.5
- Opera Opera (web browser)
- Internet Explorer 9
- Adobe Flash
- Vector graphics
- CSS3
- JavaScript
- Comparison of HTML5 and Flash
- Steve Jobs
- Adobe Adobe Inc.
- WHATWG
Features and APIs
- WebXR Device API WebXR
- Web Messaging
- Web workers Web worker
- Web storage
- WebSocket
- Server-sent events
- Web Components
- WebRTC
- WebVTT
- Microdata Microdata (HTML)
- Polyglot markup
- SVG Scalable Vector Graphics
Features
- HTML 4.01
- Cascading Style Sheets
- Dynamic web pages Dynamic web page
- SGML Standard Generalized Markup Language
- Document type declaration
- Rendering mode Quirks mode
- Application programming interfaces
- Drag and drop
- MIME type
- Web Storage
- Cookies HTTP Cookie
- Geolocation W3C Geolocation API
- IndexedDB
- File HTML5 File API
- Web cryptography API
- Web SQL Database
- SQL
- SMIL Synchronized Multimedia Integration Language
- Internet media type
- MIME
- Can safely ignore Forward compatibility
- Lexing
- Tag soup
- Search engines Search engine
- Social networks Social network
- Fortune 500
- Ruby Ruby character
- Frameset Framing (World Wide Web)
Logo
- WOFF Web Open Font Format
- The Web Standards Project
Digital rights management
Advanced semantic analysis
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
Map overview Semantic statistics
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.HTML5
How this topic connects Entity context
Quick relationship hints grouped by predicate. Useful for spotting recurring semantic connections around the current entity.See the strongest relationship patterns around the current topic before diving into the raw triples.
HTML5
Top relations
Important terminology Word statistics
Frequent words and multi-word phrases across the lead, headings, infobox and body. Useful for terminology coverage.Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
Important terminology
w3c html web whatwg standard specification new also features working elements recommendation markup living group documents media javascript xhtml specifications
Entity relationships Subject–Predicate–Object triples
Extracted RDF-like relationships with confidence and source. The table includes structured facts and lower-confidence contextual relations.| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| HTML5 | Developed by | WHATWG | 1.00 | infobox |
| HTML5 | Developed by | World Wide Web Consortium (W3C; formerly) | 1.00 | infobox |
| HTML5 | Extended from | HTML4, XHTML1, DOM2 HTML | 1.00 | infobox |
| HTML5 | Extended to | HTML LS | 1.00 | infobox |
| HTML5 | Filename extension | .mw-parser-output .monospaced{font-family:monospace,monospace} .html, .htm | 1.00 | infobox |
| HTML5 | Initial release | 22 January 2008 (18 years ago) (2008-01-22) | 1.00 | infobox |
| HTML5 | Internet media type | text/html | 1.00 | infobox |
| HTML5 | Latest release | 5.2 (Second revision) 14 December 2017 (8 years ago) (2017-12-14) | 1.00 | infobox |
| HTML5 | Open format? | Yes | 1.00 | infobox |
| HTML5 | Standard | HTML 5.2 | 1.00 | infobox |
| HTML5 | Type code | TEXT | 1.00 | infobox |
| HTML5 | Type of format | Markup language | 1.00 | infobox |
| HTML5 | Uniform Type Identifier (UTI) | public.html | 1.00 | infobox |
Related concept clusters Concept neighborhoods
Clusters of nearby vocabulary surrounding the topic. Scan them for adjacent concepts and language you may have missed.These clusters group vocabulary that occurs around closely connected concepts in the source material.
Connections between topic areas Semantic bridges
Bridge nodes connect otherwise separate parts of the map. Expand a row to inspect the topic groups on each side.Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.