| 33 different refering search engines | Pages | Percent | Hits | Percent |
|---|
| Google | 153298 | 90.7 % | 186058 | 90.7 % |
| Unknown search engines | 7428 | 4.3 % | 7671 | 3.7 % |
| Yahoo | 6519 | 3.8 % | 8406 | 4 % |
| Ask Jeeves | 665 | 0.3 % | 688 | 0.3 % |
| AOL | 384 | 0.2 % | 393 | 0.1 % |
| Baidu | 240 | 0.1 % | 1148 | 0.5 % |
| Google (Images) | 113 | 0 % | 298 | 0.1 % |
| WebCrawler | 57 | 0 % | 58 | 0 % |
| Dogpile | 53 | 0 % | 68 | 0 % |
| Earth Link | 14 | 0 % | 14 | 0 % |
| AltaVista | 10 | 0 % | 10 | 0 % |
| MetaCrawler (Metamoteur) | 9 | 0 % | 11 | 0 % |
| DMOZ | 7 | 0 % | 7 | 0 % |
| Seznam | 6 | 0 % | 6 | 0 % |
| Virgilio | 4 | 0 % | 4 | 0 % |
| Kvasir | 4 | 0 % | 4 | 0 % |
| search.ch | 4 | 0 % | 4 | 0 % |
| Excite | 4 | 0 % | 157 | 0 % |
| Tiscali | 3 | 0 % | 3 | 0 % |
| Mamma | 3 | 0 % | 4 | 0 % |
| Alexa | 3 | 0 % | 3 | 0 % |
| InfoSpace | 3 | 0 % | 7 | 0 % |
| MSN | 2 | 0 % | 4 | 0 % |
| Aport | 2 | 0 % | 2 | 0 % |
| Ask Jeeves UK | 1 | 0 % | 1 | 0 % |
| Search.com | 1 | 0 % | 1 | 0 % |
| Hotbot | 1 | 0 % | 1 | 0 % |
| Web.de | 1 | 0 % | 1 | 0 % |
| Netscape | 1 | 0 % | 10 | 0 % |
| Fireball | 1 | 0 % | 1 | 0 % |
| Yandex | 1 | 0 % | 2 | 0 % |
| Voila | | | 2 | 0 % |
| Go.com | | | 3 | 0 % |
|