Just the same as navigation links in your other thread, except you need the full URL for the site you’re linking to. e.g.
<a href="https://www.sitepoint.com/community/">Visit SitePoint forums!</a>
Just the same as navigation links in your other thread, except you need the full URL for the site you’re linking to. e.g.
<a href="https://www.sitepoint.com/community/">Visit SitePoint forums!</a>