| Rank | Referring Site | Accesses | % | Bytes | % |
|---|---|---|---|---|---|
| 1 | http://www.google.com | 23,050 | 22.96 | 680,449,761 | 28.30 |
| 2 | http://search.yahoo.com | 7,298 | 7.27 | 187,978,395 | 7.82 |
| 3 | http://www.stanford.edu | 5,293 | 5.27 | 24,699,311 | 1.03 |
| 4 | http://images.google.com | 4,101 | 4.09 | 97,749,234 | 4.07 |
| 5 | http://cmgm.stanford.edu:80 | 3,810 | 3.80 | 419,924 | 0.02 |
| 6 | http://steinmanlab.stanford.edu | 2,601 | 2.59 | 15,005,793 | 0.62 |
| 7 | http://search.stanford.edu | 2,373 | 2.36 | 21,365,793 | 0.89 |
| 8 | http://search.msn.com | 2,044 | 2.04 | 27,167,168 | 1.13 |
| 9 | http://falkow.stanford.edu | 1,871 | 1.86 | 1,282,586 | 0.05 |
| 10 | http://falkow | 1,729 | 1.72 | 1,146,765 | 0.05 |
| 11 | http://www.google.ca | 1,688 | 1.68 | 48,275,883 | 2.01 |
| 12 | http://zebrafish.stanford.edu | 1,363 | 1.36 | 1,064,041 | 0.04 |
| 13 | http://171.65.21.3 | 1,341 | 1.34 | 471,410,462 | 19.61 |
| 14 | http://www.bio.davidson.edu | 1,213 | 1.21 | 2,723,821 | 0.11 |
| 15 | http://www.google.de | 1,194 | 1.19 | 47,249,349 | 1.97 |
| 16 | http://brownlab.stanford.edu | 918 | 0.91 | 5,625,874 | 0.23 |
| 17 | http://genome-www.stanford.edu | 822 | 0.82 | 5,517,158 | 0.23 |
| 18 | http://boards.weddingchannel.com | 796 | 0.79 | 23,045,777 | 0.96 |
| 19 | http://www.protocol-online.org | 755 | 0.75 | 5,713,286 | 0.24 |
| 20 | http://pmgm.stanford.edu | 698 | 0.70 | 478,067 | 0.02 |
| 21 | http://aolsearch.aol.com | 610 | 0.61 | 41,249,646 | 1.72 |
| 22 | http://www.google.co.uk | 598 | 0.60 | 26,525,293 | 1.10 |
| 23 | http://dir.yahoo.com | 571 | 0.57 | 1,539,402 | 0.06 |
| 24 | http://auto.search.msn.com | 567 | 0.56 | 8,290,754 | 0.34 |
| 25 | http://genome-www5.stanford.edu | 562 | 0.56 | 8,738,395 | 0.36 |