Wix
Add the snippet from your site's Custom Code settings.
1. Open Custom Code
From your site's dashboard, go to Settings → Advanced → Custom Code, then + Add Custom Code.
2. Paste the snippet
Paste this into the code box, set it to load in the Head, and apply it to All pages.
HTML
<script defer data-site="YOUR_SITE_ID" src="https://api.shonylabs.com/js/YOUR_SITE_ID.js"></script>3. Publish
Custom code changes only apply to the live site after you publish it.