Follow these steps:
2. From your Ecwid admin, go to Settings → General → Tracking & Analytics.
3. Scroll down to the Custom tracking code on Order Confirmation page section and click the toggle. You will see a pop-up:
4. Add your custom code in the Custom tracking code on Order Confirmation page box in the pop-up.
5. Click Save.
Tracking Conversions with Zapier:
You can use Zapier to track conversions from your Ecwid store and send them to ProveSource. Read more here: