Wednesday's tutorial touched on how semantically correct XHTML helps search engine spiders “read” your pages, but spiders aren't the only reason for semantics. Semantics also help people with ...

There are a number of compelling reasons to make sure that your website is accessible to people with disabilities. In some cases meeting accessibility compliance standards is a legal obligation.

Headings and subheadings break up a webpage into sections of information (Kent State University, n.d.). They help users, screen readers and search engines determine the overall outline of a document.