ABORTION
Sites which provide views either in favor or against abortion, provide details on procedures, offer help or discuss outcomes or consequences of abortion.
ADULT CONTENT
Sites which may contain sexually explicit content, images, or that are portrayed through visually expressive language.
ADVERTISING
Sites or businesses which directly sell ads to consumers through various mediums, including Internet, TV, or radio.
ALCOHOL AND TOBACCO
Sites that sell, discuss or glorify the consumption of various alcoholic and tobacco products, including beer, wine, and liquor.
BLOGS AND PERSONAL SITES
Includes sites that make use of common blogging software including WordPress, Joomla!, and Drupal, amongst others, which generate dynamic content. Normally used as a secondary category to a more descriptive primary category.
BUSINESS
Sites which exhibit business-like attributes such as selling of services, products, or consulting. Normally used as a secondary category to a more descriptive primary category.
CHAT AND INSTANT MESSAGING
Sites which provide chat or text messaging services or such abilities through a download or application.
CONTENT SERVERS
Sites whose main purpose is to serve static images, CSS and JavaScript files.
DATING AND PERSONALS
Sites whose main focus is on connecting individuals for the purposes of dating.
DECEPTIVE
Sites that attempt to trick the user into believing they are on a different site in order to gather information or for other purposes. Also includes sites with deceptive advertising practices such as performing click redirections without the user’s consent.
DRUGS
Sites that contain content whose main focus is on controlled substances, including the sale, discussion, or glorification of such substances. Does not include alcohol and tobacco as that has its own category.
ECONOMY AND FINANCE
Includes sites that are mainly focused on stocks and current market information or provide financial services such as banks or lenders.
EDUCATION AND SELF-HELP
Sites whose main purpose is to offer educational information, community information, or how-tos. Also includes educational facilities and related organizations.
ENTERTAINMENT
Sites that focus on art and entertainment, including topics like TV/Hollywood, tattoos, cartoons, and anime.
FOOD AND RECIPES
Sites that contain food-related information, recipes, food preparation or restaurant services.
GAMBLING
Sites that allow a visitor to play games using wagers/placing bets, lottery pools, or provides information on such activities.
GAMES
Sites that provide games, including online games or through an application.
GOVERNMENT
Sites that use official government top-level domain names or are run by government entities such as the military, Army, or Air Force.
HACKING AND CRACKING
Sites that disseminate information, hold discussions or provide a means to gain unauthorized or illegal access to computers and networks.
HATE & TERRORISM
Sites that are primarily focused on promoting terrorism or hate.
HEALTH
Sites whose content is focused on a person’s well-being, including fitness or workout information, medical conditions, diagnoses, and medical services.
HUMOR
Sites that contain content with a focus on jokes or comedy, including satire.
ILLEGAL CONTENT
Sites that focus on providing links to pirated movies, commercial software, or providing application keys and cracks for commercial applications.
INFORMATION TECHNOLOGY
Sites whose main focus is on computers or distributing computer related information, including computer networking, Internet telephony, operating systems, or programming.
JOBS AND CAREERS
Sites that focus on assisting visitors in finding employment, career guidance or improvement.
MALICIOUS
Sites that are infected with or distribute any kind of malware, spyware, or viruses. Also contains sites acting as a C&C for bots, worms, trojans, and other malware.
MEDIA SHARING
Sites that allow visitors to upload content and share media such as photos and videos.
MESSAGE BOARDS AND FORUMS
Sites which provide some type of a messaging or bulletin board system whose content is largely community generated.
NEWS AND MEDIA
Sites whose content is mostly focused on current events and topics. Includes various news outlets, radio, TV stations, and magazines.
PARKED SITES AND DOMAINS
Sites/domain names that are no longer controlled by the original owner or are being offered for sale. Content on these sites can often be misleading for non-technical users.
PROXY AND FILTER AVOIDANCE
Sites that provide information or a means to circumvent filtering proxies or detection systems, including VPN services and anonymous surfing.
REAL ESTATE
Sites that provide information or services for renting, selling, or buying property.
RELIGION
Sites that provide information on one or more religious beliefs, practices, or are affiliated with a religious institution such as a church or synagogue.
SHOPPING
Sites that sell products or services, normally with an online purchasing interface.
SEARCH ENGINES AND PORTALS
Sites that enable their visitors to search the Internet or whose main focus is to provide links to other Internet sites.
SOCIAL NETWORKING
Sites that provide a community portal whereby members join and contribute posts or media and forge connections with other members.
STREAMING MEDIA
Sites that are mainly dedicated to the serving of video or audio streams and downloads.
SPORTS
Sites that contain information about various sports and sporting activities, including sports scores or team information.
TRACKERS
Sites or businesses that use various techniques to track user behavior across the internet.
TRANSLATION SITES
Sites that perform translation from one language to another, usually performed by a computer. May also include personal translation services.
TRAVEL
Sites that focus on travel planning services, travel reservations, and tourist information.
UNCATEGORIZED
Sites that are not currently classified as belonging to one of the other categories or are not yet classified.
VEHICLES
Sites that mainly hold discussions or share information about vehicles, including cars, trucks, boats, and aircraft.
VIRTUAL REALITY
Sites that host files specific to virtual reality or run communities related to the technology.
WEAPONS
Sites that primarily discuss, review, or sell items such as hunting knives, guns, rifles, or BB guns.
