<a href="https://silklaser.org/san-antonio/the-lotus-aesthetics-and-wellness/" title="The Lotus Aesthetics And Wellness — laser hair removal services in San Antonio"><img src="https://silklaser.org/san-antonio/the-lotus-aesthetics-and-wellness/badge.svg" alt="The Lotus Aesthetics And Wellness — laser hair removal services in San Antonio" 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.