Many Web pages today are poorly written. Syntactically incorrect HTML code may work in most browsers even if it does not follow HTML rules. Browsers employ heuristics to deal with these flawed Web pages; however, Web-enabled wireless devices (such as PDAs) cannot accommodate these hefty Web browsers. The next step in HTML's evolution comes in the form of XHTML (eXtended Hypertext Markup Language), which is basically a combination of HTML and XML..

Determine the capabilities of a client browser from the resolution to the user language.

This article is not a complete guide to Apache's mod_rewrite neither to .htaccess. Its purpose is to help you - the webmaster - to create "mod_rewritten" versions of your dynamic webpages even if you have limited technical knowledge. I won't show you all the tips-and-tricks - my aim is to bring all the complexity of the Apache's documentation to 1-2 pages of human language - easy and fast.