<a href="https://vowsmith.org/san-diego/j-b-jewelers/" title="J B Jewelers — Custom engagement rings in San Diego"><img src="https://vowsmith.org/san-diego/j-b-jewelers/badge.svg" alt="J B Jewelers — Custom engagement rings in San Diego" 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.