01 — Build your snippet
Used to attribute the traffic your embed sends (added as UTM tags on the back-link). Any short label works.
<iframe src="https://towsifter.com/embed?ref=mysite" width="100%" height="620" style="border:none;max-width:580px;" title="TowSifter Tow Rating Tool"></iframe>02 — See it live
This is exactly what your visitors will see: