| 20 different refering search engines | Pages | Percent | Hits | Percent |
|---|
| Google | 1394 | 65.9 % | 1403 | 56.5 % |
| Google (Images) | 527 | 24.9 % | 846 | 34 % |
| Yahoo | 108 | 5.1 % | 141 | 5.6 % |
| MSN | 25 | 1.1 % | 25 | 1 % |
| AltaVista | 22 | 1 % | 22 | 0.8 % |
| Unknown search engines | 8 | 0.3 % | 9 | 0.3 % |
| AOL | 8 | 0.3 % | 10 | 0.4 % |
| Ask Jeeves | 5 | 0.2 % | 5 | 0.2 % |
| DMOZ | 4 | 0.1 % | 4 | 0.1 % |
| Netscape | 3 | 0.1 % | 3 | 0.1 % |
| Earth Link | 2 | 0 % | 2 | 0 % |
| AllTheWeb | 2 | 0 % | 3 | 0.1 % |
| WebCrawler | 1 | 0 % | 1 | 0 % |
| Seznam | 1 | 0 % | 1 | 0 % |
| Overture | 1 | 0 % | 1 | 0 % |
| A9.com | 1 | 0 % | 2 | 0 % |
| Excite | 1 | 0 % | 1 | 0 % |
| InfoSpace | 1 | 0 % | 1 | 0 % |
| AOL (de) | 1 | 0 % | 1 | 0 % |
| Baidu | | | 1 | 0 % |
|