Web Filtering Categories Reference
The URL Categorization Database classifies every domain into one or more of 58 web filtering categories designed for content filtering, security policy enforcement, and parental controls.
Custom categories can be created by mapping from our IAB taxonomy (700+ categories) at no additional cost. Contact us for details.
| Category Name | Description | Example Domains | Typical Policy |
|---|---|---|---|
| Adult | Sexually explicit content including pornography and adult entertainment. | pornhub.com xvideos.com |
Usually Blocked |
| AI / LLM Tools | Artificial intelligence platforms, large language model interfaces, AI-powered assistants, and generative AI tools. | chatgpt.com claude.ai gemini.google.com |
Configurable |
| Advertising/Marketing | Sites focused on promoting products and services through marketing. | googleads.com hubspot.com mailchimp.com |
Configurable |
| Alcohol | Sites that promote or sell alcoholic beverages. | liquor.com drizly.com totalwine.com |
Configurable |
| Arts & Entertainment | Art, music, movies, television, and entertainment content. | rollingstone.com imdb.com pitchfork.com |
Configurable |
| Automotive & Transportation | Vehicles, automotive services, and transportation systems. | autotrader.com cars.com edmunds.com |
Configurable |
| Blogs/Personal Sites | Personal expression, opinions, and experience sharing. | wordpress.com medium.com tumblr.com |
Configurable |
| CDN / Hosting / Infrastructure | Content delivery networks, web hosting providers, cloud infrastructure, and backend service platforms. | cloudflare.com akamai.com aws.amazon.com |
Configurable |
| Cloud Storage / File Hosting | Online file storage, document sharing, cloud backup services, and file synchronization platforms. | dropbox.com drive.google.com box.com |
Configurable |
| Business | Business operations, finance, consulting, and management resources. | linkedin.com forbes.com inc.com |
Usually Allowed |
| Community Sites | Forums, discussion boards, and user-generated content platforms. | reddit.com facebook.com twitter.com |
Configurable |
| Cryptocurrency | Cryptocurrency exchanges, blockchain platforms, DeFi services, NFT marketplaces, and crypto-related content. | coinbase.com binance.com coinmarketcap.com |
Configurable |
| Computers & Technology | Computer hardware, software, programming, and tech news. | techcrunch.com cnet.com arstechnica.com |
Usually Allowed |
| Dating | Online dating services, matchmaking platforms, relationship-focused social networks, and personal ads. | tinder.com match.com bumble.com |
Configurable |
| Developer Tools / Code Hosting | Source code repositories, IDE platforms, API documentation, developer communities, and coding tools. | github.com stackoverflow.com gitlab.com |
Usually Allowed |
| Education/Reference | Educational resources, reference materials, and learning tools. | khanacademy.org wikipedia.org coursera.org |
Usually Allowed |
| Email and Messaging | Electronic communication platforms and services. | gmail.com outlook.com slack.com |
Configurable |
| File Sharing/P2P | Peer-to-peer file sharing networks and services. | thepiratebay.org 1337x.to |
Configurable |
| Food & Drink | Recipes, cooking content, food blogs, beverage information, and culinary-related websites. | allrecipes.com foodnetwork.com seriouseats.com |
Configurable |
| Forums / Message Boards | Discussion forums, message boards, Q&A platforms, and threaded conversation sites. | quora.com stackexchange.com discourse.org |
Configurable |
| Financial Services | Banking, investment, insurance, and financial services. | bankofamerica.com chase.com paypal.com |
Usually Allowed |
| Freeware/Software | Free software downloads and application repositories. | sourceforge.net filehippo.com softpedia.com |
Configurable |
| Gambling | Online betting, casinos, poker, and sports wagering. | bet365.com draftkings.com pokerstars.com |
Usually Blocked |
| Gaming | Video games, gaming news, and gaming communities. | gamespot.com ign.com steam.com |
Configurable |
| Government & Legal | Government services, legal resources, and public policy. | usa.gov justice.gov nasa.gov |
Usually Allowed |
| Hate/Discrimination | Content promoting hate speech or discrimination. | stormfront.org |
Usually Blocked |
| Health & Medicine | Health information, medical resources, and wellness content. | webmd.com mayoclinic.org healthline.com |
Usually Allowed |
| Home & Garden | Home improvement, gardening, and interior design. | houzz.com wayfair.com bhg.com |
Configurable |
| Illegal Drugs | Content promoting or selling illegal substances. | N/A | Usually Blocked |
| Job Search/Careers | Job listings, career advice, and employment resources. | indeed.com monster.com glassdoor.com |
Configurable |
| Lingerie/Swimsuits/Intimate Apparel | Intimate clothing and swimwear retailers. | victoriassecret.com aerie.com |
Configurable |
| Malware / Phishing / Suspicious | Sites identified as distributing malware, conducting phishing attacks, or exhibiting suspicious behavior. | N/A | Usually Blocked |
| Marketplaces / Classifieds / Auctions | Online marketplaces, classified advertisement platforms, and auction sites. | ebay.com craigslist.org etsy.com |
Configurable |
| Military | Military organizations, defense, and armed forces content. | military.com defense.gov army.mil |
Configurable |
| News/Media | News articles, journalism, and media outlets. | cnn.com bbc.com reuters.com |
Usually Allowed |
| Online Banking | Online banking portals and financial transaction services. | bankofamerica.com chase.com citibank.com |
Configurable |
| Parked / For-Sale Domains | Parked domain pages, domain-for-sale listings, and placeholder content on unused domains. | sedo.com afternic.com |
Configurable |
| Pets & Animals | Pet care, animal welfare, and wildlife resources. | petfinder.com akc.org |
Configurable |
| Podcasts | Podcast hosting platforms, podcast directories, audio shows, and podcast-related services. | podcasts.apple.com spotify.com anchor.fm |
Configurable |
| Political | Political news, commentary, advocacy, and campaigns. | politico.com thehill.com |
Configurable |
| Real Estate | Property buying, selling, renting, and investment. | zillow.com realtor.com redfin.com |
Configurable |
| Religion & Spirituality | Religious beliefs, practices, and spiritual resources. | biblegateway.com beliefnet.com |
Configurable |
| Remote Access Tools | Remote desktop applications, remote administration tools, and remote access software platforms. | teamviewer.com anydesk.com parsec.app |
Configurable |
| Restaurants & Dining | Restaurant information, food delivery, and dining. | yelp.com grubhub.com ubereats.com |
Configurable |
| Science | Scientific research, publications, and educational content. | nature.com scientificamerican.com |
Usually Allowed |
| Search Engines & Platforms | Search engines and information retrieval platforms. | google.com bing.com duckduckgo.com |
Usually Allowed |
| Shopping | Online retail stores and e-commerce marketplaces. | amazon.com ebay.com walmart.com |
Configurable |
| Social Networking | Social media platforms for connecting and sharing. | facebook.com instagram.com snapchat.com |
Configurable |
| Sports & Recreation | Sports news, fitness, and outdoor activities. | espn.com bleacherreport.com |
Configurable |
| Streaming Media | Audio and video streaming services. | youtube.com netflix.com twitch.tv |
Configurable |
| Tobacco | Tobacco product promotion and sales. | tobacco.com |
Usually Blocked |
| Travel | Travel booking, tourism, and travel reviews. | expedia.com booking.com airbnb.com |
Configurable |
| URL Shorteners | URL shortening services, link management platforms, and redirect services. | bit.ly tinyurl.com t.co |
Configurable |
| Violence | Content depicting or promoting violent acts. | N/A | Usually Blocked |
| VPN / Proxy / Anonymizers | Virtual private network services, proxy servers, anonymizing tools, and privacy-focused network services. | nordvpn.com expressvpn.com protonvpn.com |
Configurable |
| Weapons | Firearms, explosives, and weapons sales/information. | gunbroker.com cabelas.com |
Usually Blocked |
| Web-based Applications | Online tools, SaaS platforms, and productivity apps. | dropbox.com zoom.us asana.com |
Usually Allowed |
| Webinars/E-learning | Online courses, webinars, and digital learning. | udemy.com edx.org coursera.org |
Usually Allowed |
Last Updated: March 2026