Online Directories are used to list the websites through the several categories. Various kinds of directories are available online which comes under the categorization of the web directories. Here are some of the categories of online directories:

General directories contain all types of sites. These types of directories include a wide range of categories and the sub categories where the websites are located. Some common categories which are available in these directories are business, internet, travel, art, health and sports. All these categories are mentioned in the alphabetical order.