One of the Major sources of earning for any Website or an App is through Display Advertising where they sell their available Ad space to various Advertisers or Ad networks. There are different type of Ads which websites run based on what kind of Content they provide like for Videos they run Video ads, or if it’s a Mobile App then mobile Ads etc. Understanding what are the ad dimensions (ads width and height) and kind of ads running on publishers (website) is important for any Advertiser or Marketer. Display advertising ad file format will be either Image, Gif or Flash Ads. Acceptable file formats are .GIF, .JPG, .JPEG, .PNG, .SWF. This ad size can appear at the top, in the middle, or on the bottom of the page.
Below is the list of Type of Ads and their dimensions which usually any Website or App has: