Theme keyword for therel attribute of the<link> and<a> elements indicates that the current resource is represented by the linked party. Theme value was introduced in theXHTML Friends Network (XFN) specification.

<link rel="me" href="example.com" />

Therel="me" attribute is used inRelMeAuth andWeb sign in specifications as a way to enable a person to identify themselves to a web service using their domain name or a particular URL.

Specifications

Browser compatibility

Browser compatibility is irrelevant becauserel="me" is used by web services and not by browsers.