<a href="https://deskloft.org/houston/common-desk-post-oak/" title="Common Desk - Post Oak — Coworking Spaces in Houston"><img src="https://deskloft.org/houston/common-desk-post-oak/badge.svg" alt="Common Desk - Post Oak — Coworking Spaces in Houston" 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.