| Rank | Referring Site | Accesses | % | Bytes | % |
|---|---|---|---|---|---|
| 1 | http://cmgm.stanford.edu | 1,481,882 | 69.02 | 35,092,065,469 | 59.22 |
| 2 | http://img.jpg4.info | 198,475 | 9.24 | 2,218,811,893 | 3.74 |
| 3 | http://www.stumbleupon.com | 173,953 | 8.10 | 523,429,920 | 0.88 |
| 4 | http://www.google.com | 65,347 | 3.04 | 8,209,928,203 | 13.85 |
| 5 | http://3gazo.weblog.am | 46,951 | 2.19 | 101,482,445 | 0.17 |
| 6 | http://www.google.co.in | 15,234 | 0.71 | 818,948,572 | 1.38 |
| 7 | http://www.google.co.uk | 8,713 | 0.41 | 746,702,340 | 1.26 |
| 8 | http://www.xmarksthescot.com | 7,599 | 0.35 | 1,943,360,310 | 3.28 |
| 9 | http://www.nasgaweb.com | 7,129 | 0.33 | 178,073,771 | 0.30 |
| 10 | http://50.63.99.142 | 5,765 | 0.27 | 15,878,715 | 0.03 |
| 11 | http://ip-173-201-57-134.ip.secureserver.net | 5,227 | 0.24 | 12,456,150 | 0.02 |
| 12 | http://www.facebook.com | 5,159 | 0.24 | 120,586,830 | 0.20 |
| 13 | http://www.google.ca | 4,264 | 0.20 | 319,353,441 | 0.54 |
| 14 | http://pics4.imagezone.org | 4,124 | 0.19 | 3,606,138 | 0.01 |
| 15 | http://www.google.com.au | 3,738 | 0.17 | 299,433,517 | 0.51 |
| 16 | http://pics1.imagezone.org | 2,586 | 0.12 | 1,061,596 | 0.00 |
| 17 | http://translate.googleusercontent.com | 2,347 | 0.11 | 79,272,849 | 0.13 |
| 18 | http://www.stanford.edu | 2,114 | 0.10 | 8,493,616 | 0.01 |
| 19 | http://m.facebook.com | 2,073 | 0.10 | 14,281,518 | 0.02 |
| 20 | http://www.google.de | 2,053 | 0.10 | 136,133,448 | 0.23 |
| 21 | http://dendygames.com | 1,941 | 0.09 | 0 | 0.00 |
| 22 | http://www.bing.com | 1,838 | 0.09 | 256,348,063 | 0.43 |
| 23 | http://173.201.211.50 | 1,770 | 0.08 | 6,110,113 | 0.01 |
| 24 | http://med.stanford.edu | 1,725 | 0.08 | 115,209,172 | 0.19 |
| 25 | http://nasgaweb.com | 1,661 | 0.08 | 40,530,502 | 0.07 |
| 26 | http://biochem.stanford.edu | 1,660 | 0.08 | 15,436,524 | 0.03 |
| 27 | http://www.google.com.hk | 1,647 | 0.08 | 223,753,408 | 0.38 |
| 28 | http://www.google.com.my | 1,565 | 0.07 | 236,215,786 | 0.40 |
| 29 | http://www.rpg-planet.narod.ru | 1,438 | 0.07 | 0 | 0.00 |
| 30 | http://www.bio.davidson.edu | 1,359 | 0.06 | 1,824,156 | 0.00 |
| 31 | http://www.google.fr | 1,345 | 0.06 | 156,580,698 | 0.26 |
| 32 | https://www.google.com | 1,199 | 0.06 | 153,805,985 | 0.26 |
| 33 | http://www.google.co.kr | 1,078 | 0.05 | 139,351,094 | 0.24 |
| 34 | http://scholar.google.com | 1,048 | 0.05 | 686,298,429 | 1.16 |
| 35 | http://www.google.com.pk | 973 | 0.05 | 65,753,113 | 0.11 |
| 36 | http://www.google.it | 970 | 0.05 | 87,024,298 | 0.15 |
| 37 | http://images.yandex.ru | 960 | 0.04 | 82,712,239 | 0.14 |
| 38 | http://www.google.com.sg | 952 | 0.04 | 48,395,268 | 0.08 |
| 39 | http://rentor.de | 944 | 0.04 | 16,078,508 | 0.03 |
| 40 | http://zayavka-credit-online.ru | 943 | 0.04 | 16,270,522 | 0.03 |
| 41 | http://www.vod.com.ua | 906 | 0.04 | 56,050,206 | 0.09 |
| 42 | http://www.google.co.jp | 906 | 0.04 | 64,991,550 | 0.11 |
| 43 | http://images.google.com | 905 | 0.04 | 9,768,615 | 0.02 |
| 44 | http://www.google.co.id | 811 | 0.04 | 77,995,916 | 0.13 |
| 45 | http://www.google.com.br | 803 | 0.04 | 98,282,115 | 0.17 |
| 46 | http://www33.ocn.ne.jp | 798 | 0.04 | 5,749,522 | 0.01 |
| 47 | http://images.search.yahoo.com | 798 | 0.04 | 34,793,928 | 0.06 |
| 48 | http://pda.privet.ru | 764 | 0.04 | 0 | 0.00 |
| 49 | http://www.google.nl | 753 | 0.04 | 68,614,193 | 0.12 |
| 50 | http://www.google.es | 723 | 0.03 | 72,863,314 | 0.12 |