Video format with limited browser support Browser Compatibility Check
Description
This video
element uses a source
with poor cross-browser support. Only the MP4 and WebM video formats are well supported across desktop and mobile browsers.
Help
Current video format support is:
- MP4 is supported by all major desktop and mobile browsers
- WebM is supported by all major desktop and mobile browsers
- 3GP is only supported by Firefox
- Ogg is not supported by Safari on macOS and iOS
Applicable standards
Change history
- 6.50 Oct 2023 Fixed false positive when type attribute missing.
- 6.49 May 2023 WebM now implemented in all browsers.
- 5.37 May 2020 Improved detection.
- 5.23 Oct 2016 WebM now implemented in Edge 14.
- 5.10 Oct 2015 Now fires for Edge.
- 5.9 Jun 2015 Added.
This page describes a web site issue detected in HTML documents by SortSite Desktop and OnDemand Suite.
Rule ID: BugHtmlVideoCodec