Search Engine Friendly URLs** may not be a term you are fmailiar with, but the following who what is and what is not a search engine friendly URL.

Friendly: www.housleydesign.co.uk/search-engine-friendly-urls

Unfriendly: www.housleydesign.co.uk/index.php?option=com_content&view=article&id=9&Itemid=23

This helps the user of the website, especially when they see a result in a web search result, and also helps the search engine itself position the website better for the relevant search term.

** Requires Linux hosting