Definition
Gmail on Android has lighter CSS support. Other Android clients add further variation.
Best Practices
- Test responsive layouts in Gmail Android.
- Verify button and form behaviour across apps.
- Keep layout robust to clipped media queries.
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Email A/B Test Sample Size
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Frequently Asked Questions
Many Android clients have partial CSS and media-query support.
Gmail, given its enormous market share.
Use device testing and render-check tools.