Web Platform Baseline Status Breakdown
Total Features: 1219
Categories:
All
HTML elements (88)
CSS (52)
Selectors (33)
Forms (30)
JavaScript (27)
WebGL extensions (24)
Arrays (17)
Media queries (14)
Text (14)
Fonts (13)
Strings (12)
Typed arrays (12)
WebAssembly (12)
Units (10)
Background (9)
Color types (9)
Security (9)
Clipping, shapes, and masking (8)
Layout (8)
Canvas (7)
Containment (7)
HTML (7)
Internationalization (7)
Typographic font features (7)
Web components (7)
Animation (6)
Landmark elements (6)
Performance (6)
Positioning (6)
Explicit defaults (5)
Media elements (5)
Messaging (5)
Promises (5)
DOM (4)
Font synthesis (4)
HTTP (4)
Image formats (4)
Iterators (4)
Primitive types (4)
SVG (4)
Scrolling (4)
Text wrap (4)
Workers (4)
Blend mode (3)
Borders and outlines (3)
CSS object models (3)
Counters (3)
Grid (3)
Lists (3)
Multi-column (3)
Storage (3)
Transforms (3)
Transitions (CSS) (3)
Web audio (3)
WebRTC (3)
White space (3)
Collections (2)
Custom elements (2)
Fetch (2)
File system access (2)
Flexbox (2)
Gradients (2)
JavaScript modules (2)
Maps (2)
Parsing and serialization (2)
Print media (2)
Resource hints (2)
WebAuthn (2)
XML (2)
CSS environment variables (1)
Clipboard (1)
Container queries (1)
Cookies (1)
Credential management (1)
Gamepad (1)
Geolocation (1)
Image scaling (1)
Images (1)
IndexedDB (1)
JSON (1)
MathML (1)
Reading order (1)
Regular expressions (1)
Resource integrity (1)
Ruby (1)
Selection (1)
Sensors (1)
Sets (1)
Speech (1)
Streams (1)
WebGL (1)
Worklets (1)
2023
1 features
• December 2023
Widely Available
The preservesPitch property for <audio> or <video> adjusts the pitch of audio to sound more natural when the playback rate is faster or slower than the default.
Chrome
86
Firefox
101
Safari
17.2
Edge
86
Baseline Date: Dec 11, 2023
2015
4 features
• July 2015
Widely Available
The <source> element sets a media resource for the <picture>, <video>, and <audio> elements.
Chrome
3
Firefox
3.5
Safari
3.1
Edge
12
Baseline Date: Jul 29, 2015
Widely Available
The <track> element is used as a child of the media elements that lets you specify a timed text track to be displayed in parallel with the media element.
Chrome
23
Firefox
31
Safari
6
Edge
12
Baseline Date: Jul 29, 2015
Widely Available
The <video> element plays videos or movies, optionally with controls provided by the browser.
Chrome
3
Firefox
3.5
Safari
3.1
Edge
12
Baseline Date: Jul 29, 2015
Widely Available
The <audio> element plays sound such as audio effects or music, optionally with controls provided by the browser.
Chrome
3
Firefox
3.5
Safari
3.1
Edge
12
Baseline Date: Jul 29, 2015