Web Platform Baseline Status Breakdown
Total Features: 1191
Categories:
All
CSS (101)
HTML elements (98)
Selectors (46)
JavaScript (43)
Forms (40)
WebGL extensions (37)
WebAssembly (22)
Media queries (21)
Fonts (19)
Performance (19)
Text (19)
Scrolling (18)
Arrays (17)
Layout (17)
HTML (16)
Progressive web app (15)
Typed arrays (14)
Units (14)
Canvas (13)
Background (12)
Color types (12)
Media elements (12)
Strings (12)
Clipping, shapes, and masking (11)
Security (11)
Web components (11)
WebXR (11)
Typographic font features (10)
Animation (9)
Internationalization (9)
Reporting (9)
Text wrap (9)
Clipboard (8)
Workers (8)
Containment (7)
DOM (7)
Fetch (7)
JavaScript modules (7)
Print media (7)
Sensors (7)
CSS object models (6)
Image formats (6)
Iterators (6)
Landmark elements (6)
Positioning (6)
Promises (6)
SVG (6)
Storage (6)
Streams (6)
Credential management (5)
Custom elements (5)
Explicit defaults (5)
Font synthesis (5)
HTTP (5)
Messaging (5)
Multi-column (5)
Resource hints (5)
Ruby (5)
Selection (5)
Speech (5)
Transitions (CSS) (5)
View transitions (5)
Web audio (5)
WebGL (5)
Container queries (4)
Cookies (4)
Counters (4)
File system access (4)
Flexbox (4)
Gamepad (4)
Grid (4)
Images (4)
Lists (4)
Primitive types (4)
Regular expressions (4)
WebDriver (4)
WebRTC (4)
Blend mode (3)
Borders and outlines (3)
Gradients (3)
Image scaling (3)
JSON (3)
Maps (3)
MathML (3)
Payments (3)
Reading order (3)
Scroll markers (3)
Transforms (3)
WebAuthn (3)
WebGPU (3)
White space (3)
Worklets (3)
XML (3)
Collections (2)
Compute pressure (2)
Geolocation (2)
IndexedDB (2)
Parsing and serialization (2)
Resource integrity (2)
Sets (2)
Text fragments (2)
WebMCP (2)
CSS environment variables (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 <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
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 <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 <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