Web Platform Baseline Status Breakdown
Total Features: 1219
Categories:
All
HTML elements (75)
CSS (22)
Forms (22)
Selectors (13)
Background (8)
Text (7)
Landmark elements (6)
Fonts (5)
Positioning (5)
Strings (5)
WebGL extensions (5)
Arrays (4)
HTTP (4)
JavaScript (4)
Layout (4)
Media elements (4)
Primitive types (4)
Units (4)
Color types (3)
HTML (3)
Lists (3)
Security (3)
Animation (2)
Borders and outlines (2)
CSS object models (2)
Canvas (2)
Collections (2)
DOM (2)
Explicit defaults (2)
Messaging (2)
Transitions (CSS) (2)
XML (2)
Cookies (1)
Counters (1)
File system access (1)
Flexbox (1)
Geolocation (1)
Gradients (1)
Iterators (1)
JSON (1)
Maps (1)
Media queries (1)
Parsing and serialization (1)
Performance (1)
Promises (1)
Regular expressions (1)
Ruby (1)
SVG (1)
Sets (1)
Storage (1)
Text wrap (1)
Transforms (1)
Typed arrays (1)
Typographic font features (1)
Web components (1)
WebGL (1)
White space (1)
Workers (1)
2015
4 features
• September 2015
• July 2015
Widely Available
The Authorization and WWW-Authenticate headers authenticate a user with a server.
Chrome
1
Firefox
1
Safari
1
Edge
12
Baseline Date: Jul 29, 2015
HTTP/1.1 is a network protocol used by browsers and servers. It has been superseded by HTTP/2 and HTTP/3.
Chrome
1
Firefox
1
Safari
1
Edge
12
Baseline Date: Jul 29, 2015
Widely Available
The Strict-Transport-Security HTTP response header informs browsers that the site should only be accessed using HTTPS, and that any future attempts to access it using HTTP should automatically be converted to HTTPS. Also known as HSTS.
Chrome
4
Firefox
4
Safari
7
Edge
12
Baseline Date: Jul 29, 2015