<a href="https://microglow.org/austin/the-piazza-center-for-plastic-surgery-and-advanced-skin-care/" title="The Piazza Center for Plastic Surgery and Advanced Skin Care — microneedling treatments in Austin"><img src="https://microglow.org/austin/the-piazza-center-for-plastic-surgery-and-advanced-skin-care/badge.svg" alt="The Piazza Center for Plastic Surgery and Advanced Skin Care — microneedling treatments in Austin" 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.