The Web platform: Browser technologies

Core platform

HTML ⓦ ⓣ

CSS ⓦ ⓣ

DOM ⓣ

JavaScript (based on ECMAScript) ⓣ

CSS features

Animations ⓦ ⓜ ⚡

Background-image options ⓦ ⚑

Border images ⓦ ⓜ ⚑

Border radius (rounded corners) ⓦ ⓜ ⚑

Box shadows ⓦ ⓜ ⚡

Box sizing ⓦ ⓜ ⚑

Downloadable fonts (@font-face) ⓦ ⓜ ⚑

Fixed positioning (position:fixed) ⓦ ⓜ ⚑

Font-feature settings ⓦ ⓜ ⚑

Gradients ⓦ ⓜ ⚑

Hyphenation ⓦ ⓜ ⚑

Media Queries ⓦ ⓜ ⚑

Multiple-column layout ⓦ ⓜ ⚑

Multiple backgrounds ⓦ ⓜ ⚑

Opacity ⓦ ⓜ ⚑

Pointer events ⓦ ⓜ ⚑

Selectors (level 3) ⓦ ⓜ ⚑

Text overflow ⓦ ⓜ ⚑

Text shadows ⓦ ⓜ ⚑

Transforms (2D) ⓦ ⓜ ⚑

Transforms (3D) ⓦ ⓜ ⚑

Transitions ⓦ ⓜ ⚑

Graphics and typography

SVG ⓦ ⚑

Canvas ⓦ ⓣ ⓣ ⚑

WebGL ⓦ ⓣ ⚡

WOFF ⓦ ⚑

MathML ⓦ ⓜ

Media

Web Audio API

WebVTT

Media Fragments

Platform interaction, events, messaging

Geolocation ⓦ ⓣ ⚑

Device Orientation ⓦ ⓣ

DOM Events ⓣ

Touch Events ⓦ ⓣ

Pointer Lock ⓜ

Gamepad ⓜ

Fullscreen ⓦ ⓜ

Media Capture and Streams (getUserMedia) ⓦ ⓣ

Battery Status ⓜ

Vibration ⓜ

Web Notifications ⓦ

Web Messaging ⓦ ⓜ ⓣ ⚑

HTML Media Capture (the capture attribute)

Clipboard API and events

Storage and Files

Indexed Database ⓦ ⓣ ⚡

Offline Web applications ⓦ ⓣ ⓣ ⚡

Web Storage ⓦ ⓜ ⓣ ⚡

File API ⓦ ⓜ ⓣ ⚑

Blob URLs ⓦ ⓜ

File Reader ⓦ ⓜ ⓣ

Real-time communication

Web Real-Time Communication

WebSocket protocol and WebSocket API ⓦ ⓣ ⚡

Server-Sent Events ⓦ ⓣ ⚑

XMLHttpRequest ⓦ ⓜ ⓣ ⓣ ⓣ

HTML bonus features

ARIA

Microdata DOM API ⓣ ⚑

classList (DOMTokenList) ⓦ ⓜ ⓜ ⓣ ⚡

dataset ⓦ ⓣ ⚑

async for scripts ⓦ ⓜ ⓣ

defer for scripts ⓦ ⓜ ⓦ

Session-history management ⓦ ⓜ ⓣ ⓣ ⚑

hashchange ⓦ ⓜ ⚑

Sandboxed iframe ⓦ ⓜ ⓣ

Drag and drop ⓦ ⓣ ⚡

contentEditable ⓦ ⓣ

HTML Editing APIs ⓣ

UndoManager and DOM Transaction

Performance optimization and analysis

Web Workers ⓦ ⓜ ⓣ ⚑

Shared Workers ⓦ

Navigation Timing ⓦ ⓜ ⓣ ⓣ

Timing control for script-based animations ⓦ ⚑

Page Visibility ⓣ

Resource Timing, User Timing

Performance Timeline

Security and privacy

Cross-Origin Resource Sharing (CORS) ⓦ ⓣ ⓣ ⚑

Content Security Policy ⓣ

Crypto

Tracking Preference Expression (DNT)

Other core-platform bonus features

Selectors API ⓦ ⓣ

matches(selector) method ⓦ

matchMedia(media_query_list) method ⓦ ⓜ ⚑

data URLs ⓦ ⓣ

JSON parsing ⓦ ⓜ ⚑

Structured clones ⓜ ⓣ

Transferable objects ⓜ

Typed Array ⓦ ⓜ

Mutation observers

Quirks Mode

DOM Parsing and Serialization

DOM XPath

XML, XPath, XSLT, xml-stylesheet

Foundations

HTTP and URL

TLS and X.509

Cookies

Unicode

Origin

MIME Sniffing

Encoding

Various other

WebIDL ⓣ

Link header

Content-Disposition header

XML Base, XML Namespaces

A feature history of the modern Web Platform