<a href="https://vowsmith.org/seattle/glitter-and-gold-studio/" title="Glitter and Gold Studio — Custom engagement rings in Seattle"><img src="https://vowsmith.org/seattle/glitter-and-gold-studio/badge.svg" alt="Glitter and Gold Studio — Custom engagement rings in Seattle" 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.