I am using Block 1. The ads are being inserted “Before Content.” I am rotating between three masthead ads.
Hello,
you are inserting ad codes with fixed dimensions 728×90 and they are inside iframe with fixed dimensions 728×90.
Do not use iframes and either use responsive ad code or insert different ad sizes for different devices (screen sizes):
https://adinserter.pro/documentation/device-detection
Thanks for getting back to me. The only way that I could get the ad to show up was via the iframe. I tried just inserting <ins> code from Google Ad Manager for the first ad in rotation on block 1, and it is not showing up. Is there a way to make that code work?
As for the scaling on mobile issue, I don’t have access to the Google Ad Manager account where these ads were created, as the ad code was provided by a 3rd party. Can I set up separate ads to appear on separate device types, and just change the dimensions in the ad code I was given? Or do new ads for each device type size need to be set up in Google Ad Manager?
Hard to say, this mainly depends on the ad codes.
Yes, you can serve different ad sizes for different devices:
https://adinserter.pro/documentation/device-detection
Of course, you need to have such ad codes.