<listitem><para>The validate &HTML; option allows you to compare your &HTML; document to the defined syntax of &HTML; and reports any errors found. Validating your &HTML; will ensure that your pages display properly on all browsers.</para></listitem>
<listitem><para>Allows you to validate your &CSS; style sheet that is embedded in an &HTML; or &XHTML;
document. Having valid &CSS; is critical to ensuring that your web site maintains a consistent look regardless of the browser that is being used.</para></listitem>
<listitem><para>Allows you to confirm that the links on your site contain no redirects or broken links. This tool recursively checks all links on a site.</para></listitem>