<a href="https://vowsmith.org/san-francisco/san-francisco-gift-jewelry-center/" title="San Francisco Gift &amp; Jewelry Center — Custom engagement rings in San Francisco"><img src="https://vowsmith.org/san-francisco/san-francisco-gift-jewelry-center/badge.svg" alt="San Francisco Gift &amp; Jewelry Center — Custom engagement rings in San Francisco" width="300" height="84"></a>

Paste it into your website — most site builders (Wix, Squarespace, WordPress) have an "embed code" or "custom HTML" block. The footer is a good spot.