| 28 different referring search engines | Pages | Percent | Hits | Percent |
|---|
| Google | 27545 | 57.9 % | 44582 | 64.6 % |
| Stumbleupon (Social Bookmark) | 18397 | 38.7 % | 18449 | 26.7 % |
| Unknown search engines | 711 | 1.4 % | 1186 | 1.7 % |
| Yahoo! | 325 | 0.6 % | 1630 | 2.3 % |
| Google (Images) | 184 | 0.3 % | 454 | 0.6 % |
| Ask | 99 | 0.2 % | 109 | 0.1 % |
| AOL | 67 | 0.1 % | 70 | 0.1 % |
| Baidu | 51 | 0.1 % | 114 | 0.1 % |
| MyWebSearch | 46 | 0 % | 46 | 0 % |
| Windows Live | 20 | 0 % | 46 | 0 % |
| Yandex | 18 | 0 % | 1934 | 2.8 % |
| WebCrawler | 17 | 0 % | 17 | 0 % |
| Go.com | 16 | 0 % | 274 | 0.3 % |
| Sogou | 13 | 0 % | 14 | 0 % |
| Earth Link | 4 | 0 % | 4 | 0 % |
| Dogpile | 4 | 0 % | 10 | 0 % |
| DMOZ | 3 | 0 % | 3 | 0 % |
| MetaCrawler (Metamoteur) | 2 | 0 % | 3 | 0 % |
| Ask UK | 1 | 0 % | 1 | 0 % |
| Virgilio | 1 | 0 % | 1 | 0 % |
| InfoSpace | 1 | 0 % | 4 | 0 % |
| Web.de | 1 | 0 % | 1 | 0 % |
| Sapo | | | 11 | 0 % |
| Seznam | | | 1 | 0 % |
| Centrum.cz | | | 5 | 0 % |
| Mamma | | | 2 | 0 % |
| Excite | | | 1 | 0 % |
| Voila | | | 4 | 0 % |
|