The following tables compare XHTML compatibility and support for a number of layout engines. Please see the individual products' articles for further information. This article is not all-inclusive or necessarily up-to-date. Unless otherwise specified in footnotes, comparisons are based on the stable versions without any add-ons, extensions or external programs.
† In Konqueror, the user can switch layout engine.
Values
Values indicate the level of support in the most recent version of the layout engine, or (if a version number is given) in the specified version. Version numbers without any other value indicate the version at which the layout engine first fully supported the feature.
Value
Meaning
Yes
Indicates that the layout engine fully supports this property/element when valid values are used.
No
Indicates that the property/element is completely ignored.
Partial
Indicates that the property/element is understood, but that not all values are supported. Supported values are implemented correctly.
Incorrect
Indicates that the property/element is understood, but that it is not implemented correctly in all cases.
Experimental
Indicates that the property/element is understood, but supported under an alternate name. May be incomplete or buggy.
Dropped
Indicates that the property/element is no longer supported.
Indicates that the property/element is supported to some extent in an experimental/nightly build. Future support is expected.
Depends
Indicates that the property/element is supported only on certain platforms, or if certain settings are configured.
Media types
The responses when a well-formatted XHTML document is served with different media types. Note that only application/xhtml+xml is the recommended media type.
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