- Default advert
- .swf file
- Backup picture
- Well mannered load picture
The proper reply is: Well mannered load picture
Rationalization: Add a well mannered load picture so that you’ve one thing to point out if there are delays loading your major HTML5 asset to a browser. When your artistic is delivered, the well mannered load asset hundreds first earlier than every impression, adopted by your major HTML5 asset. This fashion, if the person’s browser experiences a delay loading your major asset, the well mannered load picture can be there till every thing else finishes loading.
Learn extra right here: https://assist.google.com/campaignmanager/reply/4558694