rrready?
support chart for popular CSS & web platform features
✅ Chart of CSS & web platform feature support in evergreen browsers
📈 Keep track of which popular CSS, HTML and overall web platform features are ready to be used across the board when targeting evergreen browsers. For more support details of each of the features, I recommend you refer to Can I Use.
As of the last update to this page, the latest evergreen browser versions are Firefox v94, Safari v15.1, Chrome v96, Edge v95
💚 Full support in evergreen browsers
Let's start with the good stuff, the features that are now fully supported across all evergreen browsers.
(for both flexbox & grid layout)
(attribute for external scripts)
(attribute to load scripts as ES6 modules)
💛 Good support in evergreen browsers
These features are supported for the most part, while some browsers have partial support or no support. (looking at you, Safari 👀)
Some features not supported in Safari
no support in Safari for macOS versions earlier than Big Sur
full support in Firefox, partial support elsewhere
no Safari support, degrades nicely
no Safari support
Firefox support behind flag, prefixed support in Safari
Firefox support for images only, Safari needs to be enabled
Partial support in Safari
Partial support, and prefixed partial support on Safari for iOS
💔 Poor support in current browsers
These features are either still experimental or just generally poorly supported. This list is not exhaustive and feel free to submit additional features here .
no Edge or Safari support
no Safari or Firefox support
experimental, no Safari support
non-standard, prefixed support
support in Safari only
full Firefox support, prefixed support elsewhere
full Firefox support, partial support elsewhere
Firefox support only
Only partial support
Support only in Safari technology preview
no Safari or Firefox support
Safari support only
Safari support only
Safari Technology Preview support only
Firefox support only
Available in Chrome/Edge under a flag
Have a suggestion?
Fill out the form below if you want to let me know about a CSS or general web platform feature that you think should be included here. I also invite you to let me know about any changes that mean a feature should be reclassified: