Depending upon the purpose of the website, you have many Types Of Websites. The popular ones being -
Affiliate websites – These websites offer to direct the customers to the main business websites against a commission fee in case of sale.
Answer Websites – These websites provide a platform for people to post their queries and receive suitable answers
Blog websites - These websites are used for posting online diary entries which can be accessed by one and all
Community site: These websites are made and maintained by people with similar interests such as MySpace or Facebook where the members keep in touch through message boards and chat.
Content site: They are content rich websites which offer lot of information and knowledge on just about anything and everything. Most popular websites include Slate and About.com
Corporate website: These websites become the online identity of most business houses and corporate entities and hence you have to be very careful of posting information on them.
Electronic commerce (e-commerce) site: They offer to sell goods and services online and also conduct transactions through the website.
Social bookmarking site – Most popular Social bookmarking sites include StumbleUpon and Digg where the content from the Internet is shared and even opinions on the same are expressed.
Social networking site: These websites provide a platform for communicating with friends and users alike by enabling them to share music, videos, blogs games, etc.
Video Sharing sites – These websites allow the users to upload videos and provide public access to all the users. Popular sites include YouTube and Google Video which record large number of viewers.