Using the LINK element in HTML documents to indicate a page's PURL
Date Modified: 2005-02-07
Bookmarking a page that has a PURL is difficult. The user must know about
the PURL and must manually create the bookmark. It would be very
nice if the user agent provided a means to bookmark the PURL instead of
the real URL. To do this, the agent would need to know the PURL. While
agents could figure this out while resolving a PURL,
it would be much easier if each page specified its own PURL
internally. This is done most easily by using the LINK element, with the
'rel' attribute set to 'purl'. What follows is an RFCish description of
how user agents should deal with PURLs.
Link Purl Technical Note
extension has been written that implements the base functionality of the technical note.
the Firefox extension. (Updated 2007-01-17. Thanks to Michael Giarlo for updating to Firefox 2.x)
Once installed, simply use your bookmarks normally. If a page has a Link Purl, it'll 'Do The Right Thing.' You can test the extension on this page.
If you've added Link Purls to your page,
you can use this image to indicate that your page is Purl Friendly.
You can download the image to your server, or you can just put this
HTML code in your pages:
alt="Purl Friendly" height="17" width="117"></a>