- Spiders These are also known as 'bots', 'Crawlers' and 'web-bots'. These are special programs used by search engines like Google and Yahoo to find and scan web pages. The information they extract is used to create a huge database of web pages which people can then search on.
- Guests These are non-members or members who have not logged-on yet.
- Standard and Founders These are logged-in members.