Technique H59:Using the link
element and navigation tools
About this Technique
This technique is not referenced from any Understanding document.
This technique applies to HTML.
Description
The objective of this technique is to describe how the link
element can
provide metadata about the position of an HTML page within a set of Web pages or can
assist in locating content with a set of Web pages. The value of the rel
attributes indicates what type of relation is being described, and the href
attribute provides a link to the document having that relation. Different link
element rel
values are used to create relationships:
next
: Refers to the next document in a linear sequence of documents.prev
: Refers to the previous document in an ordered series of documents.
Examples
Example 1
A Web page for Chapter 2 of an on-line book might contain the following links
within the head
section.
<link rel="prev" href="Chapter01.html" title="01. Why Volunteer?"> <link rel="next" href="Chapter03.html" title="03. Who Volunteers?" />
Related Resources
No endorsement implied.
Tests
Procedure
For a Web page that is within a sequence or collection of Web pages:
- Check that all
link
elements pertaining to navigation occur in thehead
section of the document. -
For each
link
element in thehead
section of the document which pertains to navigation, check that it contains at least:- a
rel
attribute identifying the link type - a valid
href
attribute to locate the appropriate resource
- a
Expected Results
- All of the checks above are true.