1. Go to Settings in your site’s dashboard.
2. Click the Custom Code tab in the Advanced section. Note: Advanced is only shown with a published site with a connected domain (i.e. not “yoursite.wix.co.uk”).
3. Click + Add Custom Code at the top right.
4. Paste the code snippet (from below) in the text box.
5. Select the “All Pages” option under Add Code to Pages.
6. Choose “Body – end” to place your code under Place Code in.
7. Click Apply.

<script type="text/javascript">
window.veracity = {"formIntegration":false};
(function(a, d, w){var h= d.getElementsByTagName(a[0])[0]; var s= d.createElement(a[1]);s.type= a[2]; s.src= a[3]; s.setAttribute("integrity", a[4]);s.setAttribute("crossorigin", "anonymous");h.appendChild(s);})(['head', 'script', 'text/javascript', 'https://script.platform.veracitytrustnetwork.com/loader/index.js', 'sha512-RZaUPcYG+YVW5gmPp0sxoO+dxSsQeNkwMxGlRIkEbZZhPgYqqzCIW6HD8j7SGFwUgPkzVB42NhAlYUdkx9Y6XQ=='], document, window)
</script>

See here for the instructions on the Wix site.

https://support.wix.com/en/article/embedding-custom-code-on-your-site

If you would like some help with this process then please contact our support team.