Links use the a tag with href for the URL. Add target='_blank' rel='noopener noreferrer' for external links. Use mailto: for email and tel: for phone links. Always use descriptive link text instead of 'click here'.
Hyperlinks
<!-- External link -->
<a href="https://example.com">Visit Example</a>
<!-- Open in new tab -->
<a href="https://example.com" target="_blank" rel="noopener">New Tab</a>
<!-- Internal link -->
<a href="/about">About</a>
<!-- Anchor (same page) -->
<a href="#section1">Go to Section 1</a>
<!-- Email and phone -->
<a href="mailto:hello@example.com">Email us</a>
<a href="tel:+1234567890">Call us</a>