Alcohol

Web pages that promote, advocate, or sell alcohol including beer, wine and hard liquor.

Anonymizer

Web pages that promote proxies and anonymizers for surfing websites with the intent of circumventing filters.

Art

Theater, museums, exhibits, photography, and digital graphic resources.

Business/Services

General business.

Cars/Transportation

Vehicles, including selling, promoting or discussion.

Chat/IM

Communication through chat or IM services as well as sites with information about IM communication or chatrooms.

Community Sites

Newsgroup sites and posting, including forums and bulletin boards.

Compromised

Web pages that have been compromised by someone other than the site owner, which appears to be legitimate, but houses malicious code.

Computers and Technology

Sites with information about computers, software, hardware, peripherals and computer services.

Criminal Skills/Hacking

Activities that violate human rights including murder, sabotage, and bomb-building. Information about illegal manipulation of electronic devices, encryption, misuse, and fraud. Warez and other illegal software distribution.

Dating

Web pages that promote relationships such as dating and marriage.

Download Sites

Shareware, Freeware and other software. P2P sites and software.

Education

Educational institutions and schools. Educational and reference materials including dictionaries and encyclopedias.

Entertainment and Videos

Web sites for videos, TV and motion pictures including celebrity sites and entertainment news.

Finance

Bank and insurance companies and other financial institutions. Active trading of certificates and stocks.

Gambling

Web pages that promote gambling, lotteries, casinos and betting agencies involving chance.

Games

Web pages consisting of computer games, game producers and online gaming.

Government

Government organizations, departments, or agencies. Includes police, fire, and hospitals.

Hate Speech

Web pages that promote extreme right/left-wing groups, sexism, racism, religious hate and other discrimination.

Health

Personal health and medical services including sites with information on equipment ans procedures. Does not include drugs.

Home/Leisure

Sites with information about home improvement and decorating, family, gardening, and hobbies.

Humor

Web pages that include comics, jokes and other humorous content.

Illegal Drugs

Web pages that promote the use of information of common illegal drugs and the misuse of prescription drugs and compounds.

Job Search

Web pages devoted to job searches or agencies, career planning and human resources.

Mature

Sites not appropriate for children. Includes sites with content about alternative lifestyles and profanity.

Military

Web pages sponsored by the armed forces and government-controlled agencies.

Miscellaneous

Content Servers used to supply supplementary website content or web pages that do not fall into any other category.

Music

Web pages that include internet radio and streaming media, musicians, bands, MP3 and media downloads.

News

Web pages with general news information such as newspapers and magazines.

Non-profits

Clubs, communities, unions, and non-profit organizations.

Nudity

Web pages that display full or partial nudity with no sexual references or intent.

Online Ads

Web pages strictly devoted to advertising graphics, banners, or pop-up ad content.

Personal Webpages

Websites about or hosted by personal individuals. Communication through blogs and guestbook servers. Information on personal hobbies and activities.

Pharmacy

Web pages that include prescribed medications and information about approved drugs and their medical use.

Phishing/Fraud

Manipulated web pages and emails used for fraudulent purposes, also known as phishing.

Politics and Law

Sites that promote political parties and interest groups. Information on elections and legislation. Sites that offer legal information and advice.

Pornography/Sex

Explicit sexual content unsuitable for persons under the age of 18.

Portal Sites

General web pages with customized personal portals, including white/yellow pages.

Real Estate

Web pages possessing information about renting, purchasing, selling or financing real estate including homes, apartments, and office space.

Religion

Religious sites and information. Includes sects, cults, occultism and religious fundamentalism.

Restaurants

Food, dining and catering services including sites that provide reviews, advertisements or other promotions.

Search Engines

Web pages supporting the searching of the web, newsgroups, pictures, directories, and other online content.

Shopping

Online shops, catalogs and online ordering. Auction sites and advertising. Classified ads. Excludes shopping for products and services exclusively covered by another category such as health.

Social Networking

Social networking web pages and online communities built around communities of people where users "connect" to other users.

Spam

Products and web pages promoted through spam techniques.

Sports and Recreation

Sports teams, fan clubs and news. Recreation activities including zoos, public recreation centers, pools, and amusement parks.

Spyware and Malicious Sites

Sites or software that installs on a user's computer with the intent to collect information or make system changes without the user's consent.

Tobacco

Web pages promoting the use of tobacco-related products (cigarettes, cigars, pipes).

Translator

Web pages that translate languages from one to another.

Travel

Web pages that provide travel and tourism information, online booking or travel services such as airlines, car rentals, and hotels.

Violence

Web pages that promote questionable activities such as violence and militancy.

Weapons

Web pages that include guns and weapons when not used in a violent manner.

Web-based Email

Web pages that enable users to send and/or receive email through a web-accessible email account.