<a href="https://silklaser.org/new-york/metrolaser-nyc/" title="MetroLaser NYC — laser hair removal services in New York"><img src="https://silklaser.org/new-york/metrolaser-nyc/badge.svg" alt="MetroLaser NYC — laser hair removal services in New York" 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.