| 20 different refering search engines | Pages | Percent | Hits | Percent |
|---|
| Google | 2015 | 84.9 % | 2021 | 76.2 % |
| Yahoo | 296 | 12.4 % | 556 | 20.9 % |
| AltaVista | 17 | 0.7 % | 17 | 0.6 % |
| DMOZ | 11 | 0.4 % | 11 | 0.4 % |
| MSN | 8 | 0.3 % | 8 | 0.3 % |
| Ask Jeeves | 4 | 0.1 % | 4 | 0.1 % |
| Google (Images) | 3 | 0.1 % | 12 | 0.4 % |
| Netscape | 3 | 0.1 % | 3 | 0.1 % |
| Earth Link | 2 | 0 % | 2 | 0 % |
| Unknown search engines | 2 | 0 % | 2 | 0 % |
| MetaCrawler (Metamoteur) | 2 | 0 % | 2 | 0 % |
| AllTheWeb | 2 | 0 % | 5 | 0.1 % |
| Tiscali | 1 | 0 % | 1 | 0 % |
| Teoma | 1 | 0 % | 1 | 0 % |
| Alexa | 1 | 0 % | 1 | 0 % |
| Dogpile | 1 | 0 % | 1 | 0 % |
| T-Online | 1 | 0 % | 1 | 0 % |
| Seznam | 1 | 0 % | 1 | 0 % |
| WISENut | 1 | 0 % | 1 | 0 % |
| Web.de | | | 1 | 0 % |
|