Imogen Hi Imogen, tbh, I don't know how you got to see the medium rectangle being activated for Desktop. It's definitely not what I wanted there, and I'm pretty sure that after "fighting" with this for a month now I've checked multiple times to make sure the settings are exactly as I want them. So, you are right, I didn't want that format on desktop, and now when I'm looking at it in EzoicAds it's not activated for Desktop. Maybe you deactivated it. If it's activated when you view it, but not activated when I do, then I don't know what might be causing it. I cleared the cache of my browser, and tried editing the placeholders in EzoicAds, I still can only edit boxes for devices on those formats that have a tick in the first column. If I make any changed in the second column on formats that are unticked in the first column, my changes don't get saved. But you said it doesn't matter, so I'm not going to worry about it. So, all in all, the settings appear exactly as I need them to, but then I look at my website, and the ad sizing is still out of control on mobile. I cannot check it on desktop, cause currently ads don't appear on my website on desktop. I don't know why it happens, and it seems to be quite random, but sometimes all ads disappear from my website when I view it on desktop, and later they appear again. It might have something to do with my VPN, but unfortunately, I cannot turn it off. Anyway, from my perspective nothing has changed since the last time I reported the issue, at least not on mobile, nor in EzoicAds. So, the issue is persisting - I don't have the level of control of the ad sizes being displayed on my website that I want to have.