URL Rewriting - Search Engine Friendly URLs This two page article analyzes dirty URLs and gives developers and web server admins straightforward tips to create cleaned URLs (URL Rewriting) that are short, understandable and devoid of implementation details. Clean URLs should significantly improve the usability, maintainability and security of a web site. An article by Thomas A. Powell and Joe Lima. in Public bookmarkswith analyzesarticledevelopersdirtypageserverurlswebby 2 users