Short description of Pixel Ads Script PHP - Pixel Advertising 2.0: Pixel Advertising is the term given to visual advertisements on the web which have their cost calculated dependent on the number of pixels which they occupy. Pixel advertising gained popularity in the last quarter of 2005 when British student Alex Tew created a web site named The Million Dollar Homepage, and solicited advertisers to buy ad space measured in pixels on the homepage. The price was set at $1 USD per pixel, and there were 1 million.