| 13 different refering search engines | Pages | Percent | Hits | Percent |
|---|
| Google | 3155 | 96.4 % | 3159 | 95.7 % |
| Yahoo | 71 | 2.1 % | 87 | 2.6 % |
| AltaVista | 10 | 0.3 % | 10 | 0.3 % |
| Unknown search engines | 8 | 0.2 % | 8 | 0.2 % |
| Google (Images) | 8 | 0.2 % | 13 | 0.3 % |
| MSN | 6 | 0.1 % | 6 | 0.1 % |
| Ask Jeeves | 5 | 0.1 % | 5 | 0.1 % |
| DMOZ | 4 | 0.1 % | 4 | 0.1 % |
| InfoSpace | 1 | 0 % | 1 | 0 % |
| Dogpile | 1 | 0 % | 1 | 0 % |
| AOL (de) | 1 | 0 % | 1 | 0 % |
| Web.de | 1 | 0 % | 2 | 0 % |
| AllTheWeb | | | 2 | 0 % |
|