This needs a paid Site plan or a paid Workspace plan (Core, Growth, Agency or Freelancer). Custom Code is switched off otherwise.
- Open Site settings → Custom Code.
- Paste the Snippet into the Footer Code box.
- Save, then publish your site. Custom code doesn’t run in the Designer’s preview.
Your line
<script async src="https://cdn.sitepets.com/v1/pet.js" data-key="sp_YOUR_SITE_KEY"></script>
If it doesn’t show up
Only Webflow Enterprise sites can set a Content-Security-Policy. If yours has one, allow cdn.sitepets.com in script-src and img-src, and cdn.sitepets.com and b.sitepets.com in connect-src.
Once it’s live, Claim your Pet from the browser you copied the Snippet in.