- Rel(String rel)
- Rev(String rev)
A document relationship may either be 'forward' (
Rel), which states that the related resource is the rel document of the current document, or 'reverse' (
Rev), which is equivalent to that resource having a 'forward' relationship to this document. If the resource is not a HTML document, then reverse relationships may be the only way to express the relationship, but in practice forward relationships are far more useful.
There is no official list of link types, and browser support varies. Some common relationships such as 'next' or 'first' have consistent support, though.
A link type of
Rel("shortcut icon") is used to reference a 'favicon'.