<a href="https://toxaura.com/washington/the-naderi-center-for-plastic-surgery-dermatology/" title="The Naderi Center for Plastic Surgery &amp; Dermatology — Botox injections in Washington"><img src="https://toxaura.com/washington/the-naderi-center-for-plastic-surgery-dermatology/badge.svg" alt="The Naderi Center for Plastic Surgery &amp; Dermatology — Botox injections in Washington" 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.