| 1 | General Discussion | Reddit |
| 2 | General Discussion | Quora |
| 3 | General Discussion | Stack Exchange |
| 4 | General Discussion | Yahoo Answers |
| 5 | General Discussion | Answers.com |
| 6 | General Discussion | Blurtit |
| 7 | General Discussion | Ask MetaFilter |
| 8 | General Discussion | WikiAnswers |
| 9 | General Discussion | Fluther |
| 10 | General Discussion | FunAdvice |
| 11 | Business & Marketing | Warrior Forum |
| 12 | Business & Marketing | Digital Point |
| 13 | Business & Marketing | V7N Webmaster Forum |
| 14 | Business & Marketing | Wicked Fire |
| 15 | Business & Marketing | Black Hat World |
| 16 | Business & Marketing | SitePoint Forums |
| 17 | Business & Marketing | SEO Chat Forum |
| 18 | Business & Marketing | SEOClerks |
| 19 | Business & Marketing | SEO Round Table |
| 20 | Business & Marketing | Search Engine Watch Forums |
| 21 | Technology & Development | Stack Overflow |
| 22 | Technology & Development | Super User |
| 23 | Technology & Development | Ask Ubuntu |
| 24 | Technology & Development | Server Fault |
| 25 | Technology & Development | Ars Technica OpenForum |
| 26 | Technology & Development | TechSpot Forums |
| 27 | Technology & Development | Tom’s Hardware Forums |
| 28 | Technology & Development | BleepingComputer Forums |
| 29 | Technology & Development | Neowin Forums |
| 30 | Technology & Development | TechRepublic Forums |
| 31 | Technology & Development | CodeProject |
| 32 | Technology & Development | DevShed Forums |
| 33 | Technology & Development | CNET Forums |
| 34 | Technology & Development | Apple Support Communities |
| 35 | Technology & Development | Microsoft Community |
| 36 | Technology & Development | LinuxQuestions.org |
| 37 | Technology & Development | Android Central Forums |
| 38 | Gaming | GameFAQs Forums |
| 39 | Gaming | IGN Boards |
| 40 | Gaming | NeoGAF |
| 41 | Gaming | ResetEra |
| 42 | Gaming | GameSpot Forums |
| 43 | Gaming | Giant Bomb Forums |
| 44 | Gaming | Steam Community Forums |
| 45 | Gaming | MMORPG Forums |
| 46 | Gaming | Battle.net Forums |
| 47 | Gaming | Reddit Gaming Communities |
| 48 | Health & Fitness | Bodybuilding.com Forums |
| 49 | Health & Fitness | MyFitnessPal Community |
| 50 | Health & Fitness | HealthBoards |
| 51 | Health & Fitness | MedHelp Forums |
| 52 | Health & Fitness | Fitness.com Forums |
| 53 | Health & Fitness | HealthUnlocked |
| 54 | Health & Fitness | Patient.info Forums |
| 55 | Health & Fitness | The Student Room Health Forum |
| 56 | Health & Fitness | SparkPeople Community |
| 57 | Health & Fitness | Weight Watchers Community |
| 58 | DIY & Home Improvement | DIY Chatroom |
| 59 | DIY & Home Improvement | Reddit Home Improvement |
| 60 | DIY & Home Improvement | Contractor Talk |
| 61 | DIY & Home Improvement | HomeOwnersHub |
| 62 | DIY & Home Improvement | Houzz Discussions |
| 63 | DIY & Home Improvement | DoItYourself.com Forums |
| 64 | DIY & Home Improvement | The Home Depot Community |
| 65 | DIY & Home Improvement | This Old House Forums |
| 66 | DIY & Home Improvement | Home Improvement Stack Exchange |
| 67 | DIY & Home Improvement | LumberJocks |
| 68 | Education & Learning | The Student Room |
| 69 | Education & Learning | GradCafe |
| 70 | Education & Learning | College Confidential |
| 71 | Education & Learning | Edutopia Community |
| 72 | Education & Learning | Teachers.net Forums |
| 73 | Education & Learning | Math Stack Exchange |
| 74 | Education & Learning | English Language Learners Stack Exchange |
| 75 | Education & Learning | Academia Stack Exchange |
| 76 | Education & Learning | Reddit Education Communities |
| 77 | Education & Learning | Physics Forums |
| 78 | Shopping & Consumer | Slickdeals Forums |
| 79 | Shopping & Consumer | DealNews Forums |
| 80 | Shopping & Consumer | FatWallet Forums |
| 81 | Shopping & Consumer | TechBargains Forums |
| 82 | Shopping & Consumer | RedFlagDeals Forums |
| 83 | Shopping & Consumer | HotUKDeals Forums |
| 84 | Shopping & Consumer | DealCatcher Forums |
| 85 | Shopping & Consumer | BargainMoose Forums |
| 86 | Shopping & Consumer | PricePlow Forums |
| 87 | Shopping & Consumer | Reddit Frugal Communities |
| 88 | Travel & Leisure | TripAdvisor Forums |
| 89 | Travel & Leisure | FlyerTalk Forums |
| 90 | Travel & Leisure | Lonely Planet Thorn Tree |
| 91 | Travel & Leisure | Reddit Travel Communities |
| 92 | Travel & Leisure | Fodor’s Travel Talk Forums |
| 93 | Travel & Leisure | BootsnAll Travel Forums |
| 94 | Travel & Leisure | Travellerspoint Forums |
| 95 | Travel & Leisure | Rick Steves Travel Forum |
| 96 | Travel & Leisure | TravelBlog.org Forums |
| 97 | Travel & Leisure | Expedia Travel Forums |
| 98 | Finance & Investment | Bogleheads Forum |
| 99 | Finance & Investment | Reddit Personal Finance Communities |
| 100 | Finance & Investment | Investopedia Advisor Insights |
| 101 | Finance & Investment | MoneySavingExpert Forums |
