Web Platform Baseline Status Breakdown
Total Features: 1219
Categories:
All
CSS (102)
HTML elements (100)
Selectors (46)
JavaScript (43)
Forms (42)
WebGL extensions (37)
Text (26)
WebAssembly (22)
Media queries (21)
Scrolling (20)
Fonts (19)
Performance (19)
Arrays (17)
Layout (17)
HTML (16)
Progressive web app (15)
Typed arrays (14)
Units (14)
Canvas (13)
Color types (13)
Strings (13)
Background (12)
Media elements (12)
Security (12)
Animation (11)
Clipping, shapes, and masking (11)
Web components (11)
WebXR (11)
Typographic font features (10)
DOM (9)
Internationalization (9)
Iterators (9)
Reporting (9)
Text wrap (9)
Workers (9)
Clipboard (8)
CSS object models (7)
Containment (7)
Fetch (7)
JavaScript modules (7)
Print media (7)
Sensors (7)
Container queries (6)
Explicit defaults (6)
Image formats (6)
Landmark elements (6)
Multi-column (6)
Positioning (6)
Promises (6)
SVG (6)
Storage (6)
Streams (6)
Credential management (5)
Custom elements (5)
Font synthesis (5)
HTTP (5)
Lists (5)
Messaging (5)
Resource hints (5)
Ruby (5)
Selection (5)
Speech (5)
Transitions (CSS) (5)
View transitions (5)
Web audio (5)
WebGL (5)
Anchor positioning (4)
Cookies (4)
Counters (4)
File system access (4)
Flexbox (4)
Gamepad (4)
Grid (4)
Images (4)
Primitive types (4)
Regular expressions (4)
WebDriver (4)
WebRTC (4)
Blend mode (3)
Borders and outlines (3)
Geolocation (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)
IndexedDB (2)
Parsing and serialization (2)
Resource integrity (2)
Sets (2)
Text fragments (2)
WebMCP (2)
CSS environment variables (1)
2020
3 features
• March 2020
Widely Available
The fill-opacity, and stroke-opacity SVG attributes and CSS properties control the transparency of a stroke or fill of an SVG element.
Chrome
≤80
Firefox
1.5
Safari
≤13.1
Edge
≤80
Baseline Date: ≤ Mar 24, 2020
• January 2020
The SVG image format, represented by the <svg> element, creates two-dimensional vector graphics with declarative or scripted interaction and animation.
Chrome
1
Firefox
3
Safari
3
Edge
79
Baseline Date: Jan 15, 2020
Widely Available
The <animate>, <animateMotion>, and <animateTransform> SVG elements declaratively animate SVG elements. Also known as SMIL.
Chrome
19
Firefox
4
Safari
6
Edge
79
Baseline Date: Jan 15, 2020
2015
1 features
• July 2015
Widely Available
The <filter> SVG element applies custom effects such as color manipulation, blurring, or morphing to SVG elements.
Chrome
5
Firefox
3
Safari
6
Edge
12
Baseline Date: Jul 29, 2015
Limited Availability
2 features
• In Progress / Not Yet Baseline
Limited
The context-fill and context-stroke CSS values are used with fill and stroke in SVG <marker> or <use> elements to match a color from where they appear.
Chrome
124
Firefox
111
Safari
—
Edge
124
Status: Incomplete cross-engine support