HTML Checking for Large Sites
Rocket Validator integrates the W3C Validator HTML checker into an automated web crawler.
HTML issues tagged as nav.
The navigation landmark role is used to identify major groups of links used for navigating through a website or page content. It can be added to an element that contains navigation links by using role="navigation", but instead it’s preferable to just use the <nav> element. In that case, it’s unnecessary to make the navigation role explicit.
<div role="navigation"> <!-- this is a valid way to define a navigation role --> </div> <nav> <!-- but this is shorter and uses correct semantic HTML --> </nav>
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