IAB Categories (a.k.a. OpenRTB Code)
CK CK 3788 
Created at
Updated at  
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The IAB categories are an industry standard and are heavily used in services like advertising and Internet security and filtering appliances. There are 26 tier-1 (top level) categories, 366 tier-2 (sub level) categories, and an additional 12 tier-3 categories that are specific to the Webshrinker category service. The total number of categories are 404.
 

QAG Category (Tier1 and Tier2)OpenRTB Code
Arts & EntertainmentIAB1
Books & LiteratureIAB1-1
Celebrity Fan/GossipIAB1-2
Fine ArtIAB1-3
HumorIAB1-4
MoviesIAB1-5
MusicIAB1-6
TelevisionIAB1-7
Gambling/CasinoIAB1-8
LotteryIAB1-9
MagazinesIAB1-10
ConcertsIAB1-11
MuseumsIAB1-12
AutomotiveIAB2
Auto PartsIAB2-1
Auto RepairIAB2-2
Buying/Selling CarsIAB2-3
Car CultureIAB2-4
Certified Pre-OwnedIAB2-5
ConvertibleIAB2-6
CoupeIAB2-7
CrossoverIAB2-8
DieselIAB2-9
Electric VehicleIAB2-10
HatchbackIAB2-11
HybridIAB2-12
LuxuryIAB2-13
MiniVanIAB2-14
MortorcyclesIAB2-15
Off-Road VehiclesIAB2-16
Performance VehiclesIAB2-17
PickupIAB2-18
Road-Side AssistanceIAB2-19
SedanIAB2-20
Trucks & AccessoriesIAB2-21
Vintage CarsIAB2-22
WagonIAB2-23
Recreational VehiclesIAB2-24
Car WashIAB2-25
BusinessIAB3
AdvertisingIAB3-1
AgricultureIAB3-2
Biotech/BiomedicalIAB3-3
Business SoftwareIAB3-4
ConstructionIAB3-5
ForestryIAB3-6
GovernmentIAB3-7
Green SolutionsIAB3-8
Human ResourcesIAB3-9
LogisticsIAB3-10
MarketingIAB3-11
MetalsIAB3-12
Cable CompaniesIAB3-13
Internet/BroadbandIAB3-14
Phone/ServicesIAB3-15
Storage FacilitiesIAB3-16
TransportationIAB3-17
Conference/Events/SeminarsIAB3-18
Convenience / GasIAB3-19
Laundry / dry cleaningIAB3-20
MortuariesIAB3-21
Utility CompaniesIAB3-22
Equipment RentalsIAB3-23
Record LabelsIAB3-24
AttorneyIAB3-25
CareersIAB4
Career PlanningIAB4-1
CollegeIAB4-2
Financial AidIAB4-3
Job FairsIAB4-4
Job SearchIAB4-5
Resume Writing/AdviceIAB4-6
NursingIAB4-7
ScholarshipsIAB4-8
TelecommutingIAB4-9
U.S. MilitaryIAB4-10
Career AdviceIAB4-11
Employment AgenciesIAB4-12
EducationIAB5
7-12 EducationIAB5-1
Adult EducationIAB5-2
Art HistoryIAB5-3
Colledge AdministrationIAB5-4
College LifeIAB5-5
Distance LearningIAB5-6
English as a 2nd LanguageIAB5-7
Language LearningIAB5-8
Graduate SchoolIAB5-9
HomeschoolingIAB5-10
Homework/Study TipsIAB5-11
K-6 EducatorsIAB5-12
Private SchoolIAB5-13
Special EducationIAB5-14
Studying BusinessIAB5-15
Family & ParentingIAB6
AdoptionIAB6-1
Babies & ToddlersIAB6-2
Daycare/Pre SchoolIAB6-3
Family InternetIAB6-4
Parenting - K-6 KidsIAB6-5
Parenting teensIAB6-6
PregnancyIAB6-7
Special Needs KidsIAB6-8
EldercareIAB6-9
Health & FitnessIAB7
ExerciseIAB7-1
A.D.D.IAB7-2
AIDS/HIVIAB7-3
AllergiesIAB7-4
Alternative MedicineIAB7-5
ArthritisIAB7-6
AsthmaIAB7-7
Autism/PDDIAB7-8
Bipolar DisorderIAB7-9
Brain TumorIAB7-10
CancerIAB7-11
CholesterolIAB7-12
Chronic Fatigue SyndromeIAB7-13
Chronic PainIAB7-14
Cold & FluIAB7-15
DeafnessIAB7-16
Dental CareIAB7-17
DepressionIAB7-18
DermatologyIAB7-19
DiabetesIAB7-20
EpilepsyIAB7-21
GERD/Acid RefluxIAB7-22
Headaches/MigrainesIAB7-23
Heart DiseaseIAB7-24
Herbs for HealthIAB7-25
Holistic HealingIAB7-26
IBS/Crohn's DiseaseIAB7-27
Incest/Abuse SupportIAB7-28
IncontinenceIAB7-29
InfertilityIAB7-30
Men's HealthIAB7-31
NutritionIAB7-32
OrthopedicsIAB7-33
Panic/Anxiety DisordersIAB7-34
PediatricsIAB7-35
Physical TherapyIAB7-36
Psychology/PsychiatryIAB7-37
Senor HealthIAB7-38
SexualityIAB7-39
Sleep DisordersIAB7-40
Smoking CessationIAB7-41
Substance AbuseIAB7-42
Thyroid DiseaseIAB7-43
Weight LossIAB7-44
Women's HealthIAB7-45
Cosmetic SurgeryIAB7-46
Laser Eye CareIAB7-47
Optical/Eye CareIAB7-48
Physicians / Physician ServicesIAB7-49
Vitamins / SupplementsIAB7-50
PharmacyIAB7-51
HospitalsIAB7-52
Clinical ResearchIAB7-53
ChiropracticIAB7-54
Food & DrinkIAB8
American CuisineIAB8-1
Barbecues & GrillingIAB8-2
Cajun/CreoleIAB8-3
Chinese CuisineIAB8-4
Cocktails/BeerIAB8-5
Coffee/TeaIAB8-6
Cuisine-SpecificIAB8-7
Desserts & BakingIAB8-8
Dining OutIAB8-9
Food AllergiesIAB8-10
French CuisineIAB8-11
Health/Lowfat CookingIAB8-12
Italian CuisineIAB8-13
Japanese CuisineIAB8-14
Mexican CuisineIAB8-15
VeganIAB8-16
VegetarianIAB8-17
WineIAB8-18
BeveragesIAB8-19
CateringIAB8-20
Fast FoodIAB8-21
PizzaIAB8-22
Night Clubs/BarsIAB8-23
Hobbies & InterestsIAB9
Art/TechnologyIAB9-1
Arts & CraftsIAB9-2
BeadworkIAB9-3
BirdwatchingIAB9-4
Board Games/PuzzlesIAB9-5
Candle & Soap MakingIAB9-6
Card GamesIAB9-7
ChessIAB9-8
CigarsIAB9-9
CollectingIAB9-10
Comic BooksIAB9-11
Drawing/SketchingIAB9-12
Freelance WritingIAB9-13
GenealogyIAB9-14
Getting PublishedIAB9-15
GuitarIAB9-16
Home RecordingIAB9-17
Investors & PatentsIAB9-18
Jewelry MakingIAB9-19
Magic & IllusionIAB9-20
NeedleworkIAB9-21
PaintingIAB9-22
PhotographyIAB9-23
RadioIAB9-24
Roleplaying GamesIAB9-25
Sci-Fi & FantasyIAB9-26
ScrapbookingIAB9-27
ScreenwritingIAB9-28
Stamps & CoinsIAB9-29
Video & Computer GamesIAB9-30
WoodworkingIAB9-31
Fire Arms/Gun ShowsIAB9-32
Home & GardenIAB10
AppliancesIAB10-1
EntertainingIAB10-2
Environmental SafetyIAB10-3
GardeningIAB10-4
Home RepairIAB10-5
Home TheaterIAB10-6
Interior DecoratingIAB10-7
LandscapingIAB10-8
Remodeling & ConstructionIAB10-9
Furniture OutdoorIAB10-10
Pool SuppliesIAB10-11
Security SystemsIAB10-12
WindowsIAB10-13
HVACIAB10-14
Pest Control/Bug ExterminationIAB10-15
Hot Tubs / Spas IAB10-16
Home UtilitiesIAB10-17
Flooring / Carpet / RugIAB10-18
Cleaning ServicesIAB10-19
Household CleanersIAB10-20
Appliance RepairIAB10-21
PlumbingIAB10-22
MatressIAB10-23
Law, Gov't & PoliticsIAB11
ImmigrationIAB11-1
Legal IssuesIAB11-2
U.S. Government ResourcesIAB11-3
PoliticsIAB11-4
CommentaryIAB11-5
Civic OrganizationsIAB11-6
Non ProfitIAB11-7
EcologyIAB11-8
NewsIAB12
International NewsIAB12-1
National NewsIAB12-2
Local NewsIAB12-3
NewspapersIAB12-4
Personal FinanceIAB13
Beginning InvestingIAB13-1
Credit/Debt & LoansIAB13-2
Financial NewsIAB13-3
Financial PlanningIAB13-4
Hedge FundIAB13-5
InsuranceIAB13-6
InvestingIAB13-7
Mutual FundsIAB13-8
OptionsIAB13-9
Retirement PlanningIAB13-10
StocksIAB13-11
Tax PlanningIAB13-12
BanksIAB13-13
SocietyIAB14
DatingIAB14-1
Divorce SupportIAB14-2
Gay LifeIAB14-3
MarriageIAB14-4
Senior LivingIAB14-5
TeensIAB14-6
WeddingsIAB14-7
Ethnic SpecificIAB14-8
Cemetary/MemorialIAB14-9
Donation/CharityIAB14-10
ScienceIAB15
AstrologyIAB15-1
BiologyIAB15-2
ChemistryIAB15-3
GeologyIAB15-4
Paranormal PhenomenaIAB15-5
PhysicsIAB15-6
Space/AstronomyIAB15-7
GeographyIAB15-8
BotanyIAB15-9
WeatherIAB15-10
PetsIAB16
AquariumsIAB16-1
BirdsIAB16-2
CatsIAB16-3
DogsIAB16-4
Large AnimalsIAB16-5
ReptilesIAB16-6
Veterinary MedicineIAB16-7
SportsIAB17
Auto RacingIAB17-1
BaseballIAB17-2
BicyclingIAB17-3
BodybuildingIAB17-4
BoxingIAB17-5
Canoeing/KayakingIAB17-6
CheerleadingIAB17-7
ClimbingIAB17-8
CricketIAB17-9
Figure SkatingIAB17-10
Fly FishingIAB17-11
FootballIAB17-12
Freshwater FishingIAB17-13
Game & FishIAB17-14
GolfIAB17-15
Horse RacingIAB17-16
HorsesIAB17-17
Hunting/ShootingIAB17-18
Inline SkatingIAB17-19
Martial ArtsIAB17-20
Mountain BikingIAB17-21
NASCAR RacingIAB17-22
OlympicsIAB17-23
PaintballIAB17-24
Power & MotorcyclesIAB17-25
Pro BasketballIAB17-26
Pro Ice HockeyIAB17-27
RodeoIAB17-28
RugbyIAB17-29
Running/JoggingIAB17-30
SailingIAB17-31
Saltwater FishingIAB17-32
Scuba DivingIAB17-33
SkateboardingIAB17-34
SkiingIAB17-35
SnowboardingIAB17-36
Surfing/BodyboardingIAB17-37
SwimmingIAB17-38
Table Tennis/Ping-PongIAB17-39
TennisIAB17-40
VolleyballIAB17-41
WalkingIAB17-42
Waterski/WakeboardIAB17-43
World SoccerIAB17-44
FitnessIAB17-45
Style & FashionIAB18
BeautyIAB18-1
Body ArtIAB18-2
FashionIAB18-3
JewelryIAB18-4
ClothingIAB18-5
AccessoriesIAB18-6
Shoes/BootsIAB18-7
Hair LossIAB18-8
TanningIAB18-9
Technology & ComputingIAB19
3-D GraphicsIAB19-1
AnimationIAB19-2
Antivirus SoftwareIAB19-3
C/C++IAB19-4
Cameras & CamcordersIAB19-5
Cell PhonesIAB19-6
Computer CertificationIAB19-7
Computer NetworkingIAB19-8
Computer PeripheralsIAB19-9
Computer ReviewsIAB19-10
Data CentersIAB19-11
DatabasesIAB19-12
Desktop PublishingIAB19-13
Desktop VideoIAB19-14
EmailIAB19-15
Graphics SoftwareIAB19-16
Home Video/DVDIAB19-17
Internet TechnologyIAB19-18
JavaIAB19-19
JavaScriptIAB19-20
Mac SupportIAB19-21
MP3/MIDIIAB19-22
Net ConferencingIAB19-23
Net for BeginnersIAB19-24
Network SecurityIAB19-25
Palmtops/PDAsIAB19-26
PC SupportIAB19-27
PortableIAB19-28
EntertainmentIAB19-29
Shareware/FreewareIAB19-30
UnixIAB19-31
Visual BasicIAB19-32
Web Clip ArtIAB19-33
Web Design/HTMLIAB19-34
Web SearchIAB19-35
WindowsIAB19-36
ComputersIAB19-37
Stereo/TVIAB19-38
Other SoftwareIAB19-39
TravelIAB20
Adventure TravelIAB20-1
AfricaIAB20-2
Air TravelIAB20-3
Australia & New ZealandIAB20-4
Bed & BreakfastsIAB20-5
Budget TravelIAB20-6
Business TravelIAB20-7
By US LocaleIAB20-8
CampingIAB20-9
CanadaIAB20-10
CaribbeanIAB20-11
CruisesIAB20-12
Eastern EuropeIAB20-13
EuropeIAB20-14
FranceIAB20-15
GreeceIAB20-16
Honeymoons/GetawaysIAB20-17
HotelsIAB20-18
ItalyIAB20-19
JapanIAB20-20
Mexico & Central AmericaIAB20-21
National ParksIAB20-22
South AmericaIAB20-23
SpasIAB20-24
Theme ParksIAB20-25
Traveling with KidsIAB20-26
United KingdomIAB20-27
Real EstateIAB21
ApartmentsIAB21-1
ArchitectsIAB21-2
Buying/Selling HomesIAB21-3
TimeshareIAB21-4
ShoppingIAB22
Contests & FreebiesIAB22-1
CouponingIAB22-2
ComparisonIAB22-3
EnginesIAB22-4
AuctionsIAB22-5
Cellular StoresIAB22-6
Grocery StoresIAB22-7
MallsIAB22-8
Department StoreIAB22-9
Fairs/Farmers MarketsIAB22-10
AntiquesIAB22-11
Office suppliesIAB22-12
PawnshopIAB22-13
Music StoresIAB22-14
ToysIAB22-15
FireworksIAB22-16
Florist/BalloonsIAB22-17
Religion & SpiritualityIAB23
Alternative ReligionsIAB23-1
Atheism/AgnosticismIAB23-2
BuddhismIAB23-3
CatholicismIAB23-4
ChristianityIAB23-5
HinduismIAB23-6
IslamIAB23-7
JudaismIAB23-8
Latter-Day SaintsIAB23-9
Pagan/WiccanIAB23-10
PsychicsIAB23-11
UncategorizedIAB24
Non-Standard ContentIAB25
Unmoderated UGCIAB25-1
Extreme Graphic/Explicit ViolenceIAB25-2
PornographyIAB25-3
Profane ContentIAB25-4
Hate ContentIAB25-5
Under ConstructionIAB25-6
IncentivizedIAB25-7
Illegal ContentIAB26
Illegal ContentIAB26-1
WarezIAB26-2
Spyware/MalwareIAB26-3
Copyright InfringementIAB26-4

Reference: https://www.iab.com/wp-content/uploads/2015/06/DAASTAdCategories.xlsx

Tags IAB IAB Categories OpenRTB Facebook X
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