A tiered approach
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Tier 1 - Full Support
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Tier 2 - User can perform basic tasks and good support of design and layout, but some allowance for design elements that degrade or do not render exactly as designed (e.g., a button appearing with angled rather than rounded corners).
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Tier 3 - User can perform basic tasks and all pages are readable and navigable, but the aesthetic quality of the site may be lowered significantly (e.g., system buttons rather than designed buttons).
| Browser/Device | Tier 1 | Tier 2 | Tier 3 |
|---|---|---|---|
| Browser/Device | Tier 1 | Tier 2 | Tier 3 |
| Internet Explorer 9 and lower | No | No | No |
| Internet Explorer 10 | No | Yes | No |
| Internet Explorer 11 | Yes | No | No |
| Microsoft Edge | Yes | No | No |
| Firefox 48+ | Yes | No | No |
| Firefox 47 and lower | No | No | Yes |
| Chrome 53+ | Yes | No | No |
| Chrome 52 and lower | No | No | Yes |
| Safari 9+ | Yes | No | No |
| Safari 8 and lower | No | No | No |
| iOS 9+ (native browser) | Yes | No | No |
| iOS 8 and lower | No | No | No |
| Android 5+ (native browser) | Yes | No | No |
| Android 4 and lower | No | No | No |
Supported email platforms
- Microsoft Outlook O365
- Apple OS X native email app
- Gmail
- Yahoo
Supported accessibility platforms
- JAWS Screen Reader
- iOS Native Screen Reader (VoiceOver)
- Android Native Screen Reader (TalkBack)