Install guide
Webflow has a built-in head injection slot — no developer plan required.
<!-- Webflow: Project Settings → Custom Code → Head Code -->
<script src="https://api.sourcetrace.xyz/t.js?key=YOUR_API_KEY" async></script>Replace YOUR_API_KEY with the key from Settings → Sites.
Webflow → Project Settings → Custom Code panel.
The Publish modal with all domains selected.