<a href="https://silklaser.org/oklahoma-city/gudgel-aesthetics-2/" title="Gudgel Aesthetics — laser hair removal services in Oklahoma City"><img src="https://silklaser.org/oklahoma-city/gudgel-aesthetics-2/badge.svg" alt="Gudgel Aesthetics — laser hair removal services in Oklahoma City" 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.