Dynamic Iframe loads twice and 404's on first load

Iframe on my site loads twice. It 404’s on the first load (screen stays white for a little too long) and then it actually loads the iframe. which is causing issues with our tracking setup.

Read only link below:

https://preview.webflow.com/preview/sydneyluxurycruise?utm_medium=preview_link&utm_source=designer&utm_content=sydneyluxurycruise&preview=bee27eb5a73f955bbbd5e3e70331b650&pageId=5e224dbfdf58f86ac506c4c9&itemId=5e224dbfdf58f8344c06c544&mode=preview

It is happening on all of the dynamic “experiences” pages:

This is not a Webflow issue, rather one with your provider of framed content. I recommend you seek help with them.