Worse than that, for a business trying to generate sales, a potential customer never viewed the web site. Keep the number of graphics at the top of a page to a bare minimum. This seems to be one of the most prevalent and common mistakes made by webmaster's. Banned Banners are frequently placed at the top of a page with a link to a sponsor or advertiser site. Web sites do this to collect money from the sponsors.
Some hosts provide free web site space for the right to place their banners at the top of the pages.
This may or may not benefit the web site designer. If the page uploads too slowly because of this it can cost them in the form of irritated visitors and lost visitors who clicked away out of frustration. Sponsors and advertisers understand the importance of the first 400 pixels and consequently make it a requirement that the banner be at the top of the page if they are going to pay the web site designer. We recommend that banners be banned from the top of the page. The following scale demonstrates how each Web marketer rated the over-all effectiveness of the following methods on a scale of 1 to 5, with 5 being the most effective.