| 16 different refering search engines | Pages | Percent | Hits | Percent |
| Google | 31869 | 91.8 % | 49190 | 93.4 % |
| Unknown search engines | 1002 | 2.8 % | 1516 | 2.8 % |
| Baidu | 961 | 2.7 % | 967 | 1.8 % |
| Yahoo | 417 | 1.2 % | 444 | 0.8 % |
| Yandex | 401 | 1.1 % | 479 | 0.9 % |
| Ask Jeeves | 21 | 0 % | 22 | 0 % |
| AOL | 10 | 0 % | 11 | 0 % |
| Tiscali | 4 | 0 % | 4 | 0 % |
| Dogpile | 4 | 0 % | 4 | 0 % |
| WebCrawler | 4 | 0 % | 5 | 0 % |
| Virgilio | 3 | 0 % | 3 | 0 % |
| Earth Link | 1 | 0 % | 1 | 0 % |
| DMOZ | 1 | 0 % | 1 | 0 % |
| Seznam | 1 | 0 % | 1 | 0 % |
| Google (Images) | | | 5 | 0 % |
| Rambler | | | 2 | 0 % |
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