<a href="https://deskloft.org/philadelphia/the-philadelphia-design-center/" title="The Philadelphia Design Center — Coworking Spaces in Philadelphia"><img src="https://deskloft.org/philadelphia/the-philadelphia-design-center/badge.svg" alt="The Philadelphia Design Center — Coworking Spaces in Philadelphia" 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.