<a href="https://deskloft.org/san-francisco/koho-co-creative-hub/" title="KOHO Co-Creative Hub — Coworking Spaces in San Francisco"><img src="https://deskloft.org/san-francisco/koho-co-creative-hub/badge.svg" alt="KOHO Co-Creative Hub — Coworking Spaces in San Francisco" 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.