<a href="https://vowsmith.org/nashville/little-words-project-nashville/" title="Little Words Project- Nashville — Custom engagement rings in Nashville"><img src="https://vowsmith.org/nashville/little-words-project-nashville/badge.svg" alt="Little Words Project- Nashville — Custom engagement rings in Nashville" 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.