IAB Category | IAB Category Title |
| IAB1 | Arts & Entertainment |
| IAB2 | Automotive |
| IAB3 | Business |
| IAB4 | Careers |
| IAB5 | Education |
| IAB6 | Family & Parenting |
| IAB7 | Health & Fitness |
| IAB8 | Food & Drink |
| IAB9 | Hobbies & Interests |
| IAB10 | Home & Garden |
| IAB11 | Law, Gov’t & Politics |
| IAB12 | News |
| IAB13 | Personal Finance |
| IAB14 | Society |
| IAB15 | Science |
| IAB16 | Pets |
| IAB17 | Sports |
| IAB18 | Style & Fashion |
| IAB19 | Technology & Computing |
| IAB20 | Travel |
| IAB21 | Real Estate |
| IAB22 | Shopping |
| IAB23 | Religion & Spirituality |
| IAB24 | Uncategorized |
| IAB25 | Non-Standard Content |
| IAB26 | Illegal Content |