You can render client side too, the key is no external JavaScript is being trusted to run on the page.
That ofc means the common practice of advertisers pasting a JavaScript snippet, the network doing a review process, then rendering that snippet as an advertisement on some property would not be allowed on this Ad Network.
That ofc means the common practice of advertisers pasting a JavaScript snippet, the network doing a review process, then rendering that snippet as an advertisement on some property would not be allowed on this Ad Network.