Web 2.0 is as yet something of a nebulous term, with as many different definitions out there as people defining it. This naturally can lead to some confusion. O'Reilly Media, an American company who have been one of the leaders in web development book publishing since the internet was in its infancy, came up with the term in a 2003 meeting.

Podcasting is a method of giving out media files over the Internet. But how exactly is a podcast created? Read on and this article will tell you all you need to know.

Just like a book has a page showing its contents, a website has a map of what's on its site and this is called a sitemap. It lists all of the pages within the website, and acts as a guide for visitors to navigate to where they want to be and search engine robots to find particular pages of the website.

While your homepage will give visitors the basics and general idea of your website, what if visitors want to know exactly what information is present, and where it can be found? A sitemap is the solution to this conundrum.