Rocket Validator integrates the W3C Validator HTML checker into an automated web crawler.
HTML issues tagged as anchor.
In the days before HTML5, named anchors were used as a way to provide a link to a specific section of a document, for example:
<h2> <a name="section-5">Section 5</a> </h2>
Now in HTML5, the name attribute is obsolete for <a> tags, and instead, you can use the id attribute of any element (not just <a>) as a way to navigate directly to it, for example:
<h2 id="section-5">Section 5</h2>
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