LightSpeed Website Optimizer - Version 1.2 The Website Optimizer deletes unnecessary characters like more than one white space in a row (New Line, Tab, Space) without damaging the content of the web page. --> Less traffic for surfers and the server.Another useful tool is the Change File (Change Dir) button which lets you replace certain substrings of a document by anything you like.Additionally you may also specify a directory which the program will process and it'll modify all files in it automatically.