| Rank | Property | Visitors, 000 | Reach, % | |
| Total Audience | 190,775 | 100% | ||
| 1 | Platform-A | 173,155 | 91% | |
| 2 | Yahoo! Network | 164,535 | 86% | |
| 3 | Google Ad Network | 159,387 | 84% | |
| 4 | ValueClick Networks | 157,444 | 83% | |
| 5 | Specific Media | 151,386 | 79% | |
| 6 | Traffic Marketplace | 142,510 | 75% | |
| 7 | Yahoo! | 142,007 | 74% | |
| 8 | Tribal Fusion | 141,412 | 74% | |
| 9 | 24/7 Real Media | 139,189 | 73% | |
| 10 | 138,870 | 73% | ||
| 11 | Casale Media – MediaNet | 137,371 | 72% | |
| 12 | Adconion Media Group | 136,625 | 72% | |
| 13 | Tremor Media | 134,949 | 71% | |
| 14 | interCLICK | 128,033 | 67% | |
| 15 | Revenue Science | 126,600 | 66% | |
| 16 | DRIVEpm | 123,082 | 65% | |
| 17 | Collective Media | 118,796 | 62% | |
| 18 | CPX Interactive | 115,129 | 60% | |
| 19 | MSN-Windows Live | 111,610 | 59% | |
| 20 | urn | 111,227 | 58% | |
| 21 | ADSDAQ | 110,338 | 58% | |
| 22 | AOL Media Network | 108,785 | 57% | |
| 23 | Burst Media | 105,989 | 56% | |
| 24 | AdBrite | 88,203 | 46% | |
| 25 | YOUTUBE.COM | 80,406 | 42% | |
| 26 | Centro – Potential Reach | 77,207 | 40% | |
| 27 | MYSPACE.COM | 75,328 | 39% | |
| 28 | Undertone Networks | 75,027 | 39% | |
| 29 | Vibrant Media | 73,748 | 39% | |
| 30 | NNN Total Newspapers: U.S. | 73,231 | 38% | |
| 31 | Ask Network | 70,151 | 37% | |
| 32 | Gorilla Nation Media | 67,972 | 36% | |
| 33 | IAC Ad Solutions | 65,098 | 34% | |
| 34 | Kontera | 60,982 | 32% | |
| 35 | Pulse 360 | 57,733 | 30% | |
| 36 | MSN.COM Home Page | 57,622 | 30% | |
| 37 | EBAY.COM | 56,775 | 30% | |
| 38 | IB Local Network | 55,438 | 29% | |
| 39 | Glam Media | 54,631 | 29% | |
| 40 | AMAZON.COM | 54,223 | 28% | |
| 41 | TattoMedia | 52,376 | 27% | |
| 42 | NNN Top 25 | 50,836 | 27% | |
| 43 | YuMe Video Network | 50,798 | 27% | |
| 44 | FACEBOOK.COM | 50,511 | 26% | |
| 45 | ITN Digital Networks | 48,554 | 25% | |
| 46 | Ybrant – Oridian – ADdynamix | 48,099 | 25% | |
| 47 | Business.com Network | 46,487 | 24% | |
| 48 | QuadrantONE | 44,482 | 23% | |
| 49 | WALMART.COM | 43,940 | 23% | |
| 50 | Intergi | 43,406 | 23% | |
| Source: comScore | ||||