The term online advertising simply relates to advertising online, or advertising over the Internet. It is kind of promotion that uses the Internet and World Wide Web for the expressed purpose of delivering messages to attract customers.
Online Advertising has an advantage of immediate publishing of information and content that is not limited by geography or time. Online advertising allows for the customization of advertisements, including content and posted websites.
Most common ways in which online advertising is purchased are CPM (Cost Per Mille), CPV (Cost Per Visitor), CPV (Cost Per View), CPC (Cost Per Click, CPA (Cost Per Action) or (Cost Per Acquisition), CPL (Cost Per Lead) , CPE (Cost Per Engagement), CPE (Cost Per Engagement) & Cost per conversion.
Types of Online Advertising includes Floating ads, Expanding ads, Polite ads, Trick banners, Pop-up ads, Pop-under ads, Video ads, Map ads & Superstitial ads.