Banner is a graphical web-advertising unit. Banner ad is small rectangular advertisements that appear on all types of web pages. It varies in look, content and theme. Banner is the main source of Internet based marketing and provide global platform for placing your product or service information.
A web banner or banner ad is a form of advertising on the World Wide Web delivered by an ad server. This form of online advertising entails embedding an advertisement into a web page. It is intended to attract traffic to a website by linking to the website of the advertiser.