Our community of professional designers are ready to create the perfect banner ad for you. Businesses across the globe have used DesignCrowd to get the right banner ad for their business. You can join them, simply start a banner ad design project today and get a banner ad you’ll love. 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.