<a href="https://silklaser.org/chicago/semper-laser/" title="Semper Laser — laser hair removal services in Chicago"><img src="https://silklaser.org/chicago/semper-laser/badge.svg" alt="Semper Laser — laser hair removal services in Chicago" 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.