Here are the standards for support of both browsers and devices. Click on the relevant tab below to find out more.
Criteria for browser support
- Any browser, device or operating system with >5% usage over preceding 3 months must be supported
- In addition, any browser version will be supported for the current and 2 previous versions (even where a particular version is <5%)
- If we deem that a browser is up and coming and we believe penetration is going to go above the 5% within the next 12 months then this has been included in the standards
- Google Analytics data should be reference for the basis of the assessment (or equivalent if this has not yet been implemented)
- Global trends to be reviewed in parallel to see what is on the horizon.
Q1 2024 supported browsers (based on Q4 2023 data)
|
Microsoft Edge |
Safari |
Google Chrome |
Mozilla Firefox |
|
|
Microsoft Windows (versions 10 & 11) |
Y |
N/A |
Y |
Y |
|
macOS (latest two versions) |
N/A |
Y |
Y |
Y |
|
iOS (latest two versions) |
N |
Y |
N |
N |
|
Android (latest two versions) |
N |
N/A |
Y |
Y |
Notes
- Internet Explorer 11 has been removed as it only has limited support from Microsoft.
Breakpoints for Testing
|
Widescreen |
Desktop |
Tablet |
Phone |
|
1440px |
1200px |
767px |
375px |
Compatibility Testing
|
Microsoft Edge |
Safari |
Google Chrome |
Mozilla Firefox |
|
PC |
Mac iPhone iPad |
PC Android tablet Android phone iPhone |
PC |
Full Functional Testing
|
Microsoft Edge |
Safari |
Google Chrome |
Mozilla Firefox |
|
PC |
Mac iPhone iPad |
PC Android phone Android tablet iPhone |
PC |
Criteria for device support
- Any device or operating system with >5% usage over preceding 6 months must be supported
- In addition, any major version will be supported for the current and 2 previous versions (even where a particular version is <5%)
Android version history - Wikipedia – Officially support from version 12 onwards
iOS version history - Wikipedia – Officially support from version 15 onwards