<a href="https://lumered.org/worcester/vita-hydration-and-wellness/" title="Vita Hydration and Wellness — red light therapy studios in Worcester"><img src="https://lumered.org/worcester/vita-hydration-and-wellness/badge.svg" alt="Vita Hydration and Wellness — red light therapy studios in Worcester" 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.