Safari AutoPlay settings

Hi JustMeInTN, thanks for posting here in Apple Support Communities. We understand that you're unable to stream content from a specific website on your new iMac, and we'd be happy to help. To start off, we'd just like to ask you a few questions.

Does this website also have a native app that you could download onto your iMac? If so, download and install that app to see if the same behavior occurs there.

Do you use Screen Time on your new iMac? If so, check to see if content and privacy restrictions are enabled. Here's how: Set up content and privacy restrictions in Screen Time on Mac - Apple Support

Would you happen to have more than one user account set up on the iMac? If not, we recommend that you create a new test user account. Once done, test to see if the same behavior occurs on that account: Set up users, guests, and groups on Mac - Apple Support

We look forward to hearing back from you.

Cheers!

JustMeInTN,

Great to hear that the problem seemed to have resolved itself, we appreciate you keeping the community posted! As for any concerns that you may have in regards to setting up your new iMac, here are a few resources that you might find helpful:

How to back up your Mac - Official Apple Support

Move your content to a new Mac - Apple Support

Aside from those resources, you can always post your questions and/or concerns here in Apple Support Communities.

Take care!