Accessibility (a11y)

Semantic HTML

// Use semantic elements
<header>       {/* Site header */}
<nav>          {/* Navigation */}
<main>         {/* Main content - one per page */}
<article>      {/* Self-contained content */}
<section>      {/* Thematic grouping with heading */}
<aside>        {/* Sidebar content */}
<footer>       {/* Site footer */}

// Correct heading hierarchy
<h1>Page Title</h1>           {/* One per page */}
  <h2>Section</h2>
    <h3>Subsection</h3>
  <h2>Another Section</h2>