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The following is a complete list of PAN-DB URL filtering categories:

Name Description Example
Abortion Sites that pertain to information or groups in favor of or against abortion, details regarding abortion procedures, help or support forums for or against abortion, or sites that provide information regarding the consequences/effects of pursuing (or not) an abortion.
Abused Drugs  Sites that promote the abuse of both legal and illegal drugs, use and sale of drug related paraphernalia, manufacturing and/or selling of drugs.
Adult Sexually explicit material, media (including language), art, and/or products, online groups or forums that are sexually explicit in nature. Sites that promote adult services such as video/telephone conferencing, escort services, strip clubs, etc.  Anything containing adult content (even if it's games or comics) will be categorized as adult.
Alcohol and Tobacco Sites that pertain to the sale, manufacturing, or use of alcohol and/or tobacco products and related paraphernalia. Includes sites related to electronic cigarettes.
Auctions Sites that promote the sale of goods between individuals.
Business and Economy Marketing, management, economics, and sites relating to entrepreneurship or running a business. Includes advertising and marketing firms. Should not include corporate websites as they should be categorized with their technology. Also shipping sites, such as and
Computer and Internet Info General information regarding computers and the internet. Should include sites about computer science, engineering, hardware, software, security, programming, etc. Programming may have some overlap with reference, but the main category should remain computer and internet info.
Content Delivery Networks Sites whose primary focus is delivering content to 3rd parties such as advertisements, media, files, etc. Also includes image servers.
Copyright Infringement Web pages and services that are dedicated to illegally offer videos, movies or other media for download infringing copyrights of others. Should not include sites that provide peer-to-peer file exchange services or general streaming media.
Dating Websites offering online dating services, advice, and other personal ads.
Dynamic DNS Sites that provide and/or utilize dynamic DNS services to associate domain names to dynamic IP addresses. Dynamic DNS is often used by attackers for command-and-control communication and other malicious purposes.
Educational Institutions Official websites for schools, colleges, universities, school districts, online classes, and other academic institutions. These refer to larger, established educational institutions such as elementary schools, high schools, universities, etc. Tutoring academies can go here as well.
Entertainment and Arts Sites for movies, television, radio, videos, programming guides/tools, comics, performing arts, museums, art galleries, or libraries. Includes sites for entertainment, celebrity and industry news.

Extremism Websites promoting terrorism, racism, fascism or other extremist views discriminating people or groups of different ethnic backgrounds, religions or other beliefs. Should not include websites discussing controversial political or religious views.
Financial Services Websites pertaining to personal financial information or advice, such as online banking, loans, mortgages, debt management, credit card companies, and insurance companies. Does not include sites relating to stock markets, brokerages or trading services. Includes sites for foreign currency exchange. Includes sites for foreign currency exchange.
Gambling Lottery or gambling websites that facilitate the exchange of real and/or virtual money. Related websites that provide information, tutorials or advice regarding gambling, including betting odds and pools. Corporate websites for hotels and casinos that do not enable gambling are categorized under Travel.
Games Sites that provide online play or download of video and/or computer games, game reviews, tips, or cheats, as well as instructional sites for non-electronic games, sale/trade of board games, or related publications/media. Includes sites that support or host online sweepstakes and/or giveaways.
Government Official websites for local, state, and national governments, as well as related agencies, services, or laws.
Hacking Sites relating to the illegal or questionable access to or the use of communications equipment/software. Development and distribution of programs, how-to-advice and/or tips that may result in the compromise of networks and systems. Also includes sites that facilitate the bypass of licensing and digital rights systems.
Health and Medicine Sites containing information regarding general health information, issues, and traditional and non-traditional tips, remedies, and treatments. Also includes sites for various medical specialties, practices and facilities (such as gyms and fitness clubs) as well as professionals. Sites relating to medical insurance and cosmetic surgery are also included.
Home and Garden Information, products, and services regarding home repair and maintenance, architecture, design, contstruction, décor, and gardening.
Hunting and Fishing Hunting and fishing tips, instructions, sale of related equipment and paraphernalia.
Insufficient Content Websites and services that present test pages, no content, provide API access not intended for end-user display or require authentication without displaying any other content suggesting a different categorization. Should not include websites providing remote access, such as web based VPN solutions, web based email services or identified credential phishing pages.
Internet Communications and Telephony Sites that support or provide services for video chatting, instant messaging, or telephony capabilities.
Internet Portals Sites that serve as a starting point for users, usually by aggregating a broad set of content and topics.
Job Search Sites that provide job listings and employer reviews, interview advice and tips, or related services for both employers and prospective candidates.
Legal Information, analysis or advice regarding the law, legal services, legal firms, or other legal related issues.
Malware Sites containing malicious content, executables, scripts, viruses, trojans, and code.
Military Information or commentary regarding military branches, recruitment, current or past operations, or any related paraphernalia.
Motor Vehicles Information relating to reviews, sales and trading, modifications, parts, and other related discussions for automobiles, motorcycles, boats, trucks and RVs.
Music Music sales, distribution, or information. Includes websites for music artists, groups, labels, events, lyrics, and other information regarding the music business. Does not include streaming music.
News Online publications, newswire services, and other websites that aggregate current events, weather, or other contemporary issues. Includes newspapers, radio stations, magazines, and podcasts.
Nudity Sites that contain nude or seminude depictions of the human body, regardless of context or intent, such as artwork. Includes nudist or naturist sites containing images of participants.
Online Storage and Backup Websites that provide online storage of files for free and as a service.
Parked URLs which host limited content or click-through ads which may generate revenue for the host entity but generally do not contain content that is useful to the end user.
Peer-to-Peer Sites that provide access to or clients for peer-to-peer sharing of torrents, download programs, media files, or other software applications. This is primarily for those sites that provide bittorrent download capabilities. Does not include shareware or freeware sites.
Personal Sites and Blogs Personal websites and blogs by individuals or groups. Should try to first categorize based on content. For example, if someone has a blog just about cars, then the site should be categorized under "motor vehicles". However, if the site is a pure blog, then it should remain under "personal sites and blogs".
Philosophy and Political Advocacy Sites containing information, viewpoints or campaigns regarding philosophical or political views.
Phishing Seemingly reputable sites that harvest personal information from its users via phishing or pharming.
Private IP Addresses This category includes IP addresses defined in RFC 1918 (Address Allocation for Private Intranets). It also includes domains not registered with the public DNS system (such a *.local) - (10/8 prefix) - (172.16/12 prefix) - (192.168/16 prefix) - (169.254/16 prefix)
Proxy Avoidance and Anonymizers Proxy servers and other methods that bypass URL filtering or monitoring.
Questionable Sites containing tasteless humor, offensive content targeting specific demographics of individuals or groups of people, criminal activity, illegal activity, and get rich quick sites.
Real Estate Information on property rentals, sales and related tips or information. Includes sites for real estate agents, firms, rental services, listings (and aggregates), and property improvement.
Recreation and Hobbies Information, forums, associations, groups, and publications on recreations and hobbies.
Reference and Research Personal, professional, or academic reference portals, materials, or services. Includes online dictionaries, maps, almanacs, census information, libraries, genealogy and scientific information.
Religion Information regarding various religions, related activities or events. Includes websites for religious organizations, officials and places of worship. Includes sites for fortune telling.
Search Engines Sites that provide a search interface using keywords, phrases, or other parameters that may return information, websites, images or files as results.
Sex Education Information on reproduction, sexual development, safe sex practices, sexually transmitted diseases, birth control, tips for better sex, as well as any related products or related paraphernalia. Includes websites for related groups, forums or organizations.
Shareware and Freeware Sites that provide access to software, screensavers, icons, wallpapers, utilities, ringtones, themes or widgets for free and/or donations. Also includes open source projects.
Shopping Sites that facilitate the purchase of goods and services. Includes online merchants, websites for department stores, retail stores, catalogs, as well as sites that aggregate and monitor prices. Sites listed here should be online merchants that sell a variety of items (or whose main purpose is online sales). A webpage for a cosmetics company that also happens to allow online purchasing should be categorized with cosmetics and not shopping.
Social Networking User communities and sites where users interact with each other, post messages, pictures, or otherwise communicate with groups of people. Does not include blogs or personal sites.
Society Topics relating to the general population, issues that impact a large variety of people, such as fashion, beauty, philanthropic groups, societies, or children. Also includes restaurant websites. Includes websites designed for children as well as restaurants.
Sports Information about sporting events, athletes, coaches, officials, teams or organizations, sports scores, schedules and related news, and any related paraphernalia. Includes websites regarding fantasy sports and other virtual sports leagues.
Stock Advice and Tools Information regarding the stock market, trading of stocks or options, portfolio management, investment strategies, quotes, or related news.
Streaming Media Sites that stream audio or video content for free and/or purchase. Includes online radio stations and other streaming music services.
Swimsuits and Intimate Apparel Sites that include information or images concerning swimsuits, intimate apparel or other suggestive clothing.
Training and Tools Sites that provide online education and training and related materials. Can include driving/traffic schools, workplace training, etc.
Translation Sites that provide translation services, including both user input and URL translations. These sites can also allow users to circumvent filtering as the target page's content is presented within the context of the translator's URL.
Travel Information regarding travel tips, deals, pricing information, destination information, tourism, and related services. Includes websites for hotels, local attractions, casinos, airlines, cruise lines, travel agencies, vehicle rentals and sites that provide booking tools such as price monitors. Includes websites for local points of interest/tourist attractions such as the Eiffel Tower, the Grand Canyon, etc.
Weapons Sales, reviews, descriptions of or instructions regarding weapons and their use.
Web Advertisements Advertisements, media, content, and banners.
Web Hosting Free or paid for hosting services for web pages, including information regarding web development, publication, promotion, and other methods to increase traffic.
Web-based Email Any website that provides access to an email inbox and the ability to send and receive emails.