Most industries have their own requirements based on the market they are operating in.There are different kinds of websites which include.
E- Ecommerce website for any company that can sell products online e.g retail stores , fashion boutiques .
E-Learning sites- for educational institutions , that allow enrollment , online lessons for students and a whole lot of other functions
Donations website for non profit organisations that allow them to receive donations online
Blog and news sites- where people can write articles about certian topics of their expertise or interest
Booking sites - for organisations that offer accommodation services