| Rank | Referring Site | Accesses | % | Bytes | % |
|---|---|---|---|---|---|
| 1 | http://www.google.com | 14,546 | 17.68 | 481,943,811 | 17.02 |
| 2 | http://search.yahoo.com | 4,801 | 5.84 | 171,874,875 | 6.07 |
| 3 | http://cmgm.stanford.edu:80 | 4,537 | 5.51 | 979,446 | 0.03 |
| 4 | http://www.stanford.edu | 3,752 | 4.56 | 20,628,441 | 0.73 |
| 5 | http://find.stanford.edu | 3,376 | 4.10 | 209,121,334 | 7.38 |
| 6 | http://images.google.com | 3,347 | 4.07 | 255,268,270 | 9.01 |
| 7 | http://steinmanlab.stanford.edu | 3,145 | 3.82 | 27,697,409 | 0.98 |
| 8 | http://falkow | 1,827 | 2.22 | 1,214,862 | 0.04 |
| 9 | http://search.msn.com | 1,786 | 2.17 | 21,587,186 | 0.76 |
| 10 | http://falkow.stanford.edu | 1,749 | 2.13 | 1,170,052 | 0.04 |
| 11 | http://zebrafish.stanford.edu | 1,357 | 1.65 | 1,075,569 | 0.04 |
| 12 | http://171.65.22.158 | 1,300 | 1.58 | 349,905,248 | 12.35 |
| 13 | http://brownlab.stanford.edu | 1,128 | 1.37 | 103,994,892 | 3.67 |
| 14 | http://www.google.ca | 848 | 1.03 | 31,814,902 | 1.12 |
| 15 | http://www.bio.davidson.edu | 839 | 1.02 | 1,926,257 | 0.07 |
| 16 | http://www.google.de | 825 | 1.00 | 46,041,459 | 1.63 |
| 17 | http://www.google.co.in | 655 | 0.80 | 25,256,319 | 0.89 |
| 18 | http://pan.stanford.edu | 581 | 0.71 | 1,724,402 | 0.06 |
| 19 | http://www.protocol-online.org | 568 | 0.69 | 4,397,422 | 0.16 |
| 20 | http://www.google.com.au | 562 | 0.68 | 26,198,734 | 0.93 |
| 21 | http://www.altavista.com | 505 | 0.61 | 75,218,238 | 2.66 |
| 22 | http://www.med.stanford.edu | 491 | 0.60 | 2,753,699 | 0.10 |
| 23 | http://pmgm2.stanford.edu | 458 | 0.56 | 648,765 | 0.02 |
| 24 | http://www.taiwanmilitary.org | 456 | 0.55 | 141,504 | 0.00 |
| 25 | http://boards.weddingchannel.com | 411 | 0.50 | 12,708,574 | 0.45 |