To answer this we first need to perceive what is banner advertising. Banner commercials refers to the use of a rectangular photo display that comes in various forms and places on top, bottom or sides of a website. Now that you just perceive what is banner advertisements, let’s jump into Banner Ad Networks: these are Ad networks that include banners in their Ad units. Publishers or advertisers may be in a position to place ads in various banner sizes and codecs of their choices while publishers also might be in a position to monetize with a variety of banner sizes and codecs from such Ad Networks.
Many Ad Networks have banner ads as part of their Ad units and ad stock.