<a href="https://retireo.org/seattle/columbia-gardens-at-rainier-court/" title="Columbia Gardens at Rainier Court — retirement communities in Seattle"><img src="https://retireo.org/seattle/columbia-gardens-at-rainier-court/badge.svg" alt="Columbia Gardens at Rainier Court — retirement communities in Seattle" 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.