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XHTML is a companion of HTML and uses the same HTML syntax. Default attributes are prefixed with “xmlns:”.
Last updated on : 2026-02-09
Browser Versions
IE
Edge
Firefox
Chrome
Safari
Opera
Fully Supported
Partially
No Support
XHTML served as application/xhtml+xml on IE is fully supported on 9-11, and not supported on 5.5-8 IE versions.
XHTML served as application/xhtml+xml on Edge is fully supported on all Edge versions.
XHTML served as application/xhtml+xml on Firefox is fully supported on all Firefox versions.
XHTML served as application/xhtml+xml on Chrome is fully supported on all Chrome versions.
XHTML served as application/xhtml+xml on Safari is fully supported on all Safari versions.
XHTML served as application/xhtml+xml on Opera is fully supported on all Opera versions.
XHTML served as application/xhtml+xml on Safari on iOS is fully supported on all Safari on iOS versions.
XHTML served as application/xhtml+xml on Android Browser is fully supported on all Android Browser versions.
XHTML served as application/xhtml+xml on Opera Mobile is fully supported on all Opera Mobile versions.
XHTML served as application/xhtml+xml on Chrome for Android is fully supported on all Chrome for Android versions.
XHTML served as application/xhtml+xml on Firefox for Android is fully supported on all Firefox for Android versions.
XHTML served as application/xhtml+xml on Samsung Internet is fully supported on all Samsung Internet versions.
Data sourced from
Overall Browser Compatibility Score
Note:XHTML served as application/xhtml+xml shows a browser compatibility score of 100. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.
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