Use of <nav> Element
The <nav> element is a semantic block-level element used to define a section of a page intended for navigation. It groups together links that help users move around the website or within the same document.
It provides meaning to assistive technologies (like screen readers), which identify it as a navigation region.
It improves SEO because search engines understand that links inside <nav> are for site navigation.
A page can have multiple <nav> elements (e.g., one for the main site menu, another for footer links).
Not every group of links needs to be inside <nav> — only the main navigational links.
In short: Use <nav> to group major navigational links that help users move through your website or document structure.
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