Web Platform Baseline Status Breakdown
Total Features: 1219
Categories:
All
CSS (2)
JSON (2)
JavaScript (2)
Performance (2)
Scrolling (2)
Typed arrays (2)
View transitions (2)
Clipboard (1)
File system access (1)
Forms (1)
HTML (1)
HTML elements (1)
Internationalization (1)
Iterators (1)
Print media (1)
Promises (1)
Regular expressions (1)
Resource hints (1)
Selection (1)
Selectors (1)
Text (1)
Web components (1)
WebAssembly (1)
WebGL extensions (1)
WebRTC (1)
2025
2 features
• December 2025
Newly Available
An event or first-input performance entry measures the latency of user input events, such as mouse clicks or keypresses. They're used to calculate interaction to next paint (INP), a common metric for perceived responsiveness.
Chrome
76
Firefox
89
Safari
26.2
Edge
79
Baseline Date: Dec 12, 2025
Newly Available
A largest-contentful-paint performance entry measures the time it takes for the largest image or text to appear. Largest contentful paint (LCP) is a common metric for perceived loading times.
Chrome
77
Firefox
122
Safari
26.2
Edge
79
Baseline Date: Dec 12, 2025