| Used Operating Systems |
| 1 | 4183 | 31.89 | 159 | 4.86 | +http://yandex.com/bots |
| 2 | 3731 | 28.44 | 160 | 4.89 | Windows NT |
| 3 | 2870 | 21.88 | 2608 | 79.73 | +http://www.baidu.com/search/spider.html |
| 4 | 820 | 6.25 | 95 | 2.90 | +http://www.google.com/bot.html |
| 5 | 512 | 3.90 | 139 | 4.25 | +http://www.bing.com/bingbot.htm |
| 6 | 432 | 3.29 | 6 | 0.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 186 | 1.42 | 6 | 0.18 | http://crawler.sistrix.net/ |
| 8 | 140 | 1.07 | 22 | 0.67 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 86 | 0.66 | 6 | 0.18 | +http://filterdb.iss.net/crawler/ |
| 10 | 56 | 0.43 | 28 | 0.86 | +http://www.exabot.com/go/robot |
| 11 | 48 | 0.37 | 23 | 0.70 | ezooms.bot@gmail.com |
| 12 | 21 | 0.16 | 3 | 0.09 | Linux i686 [unknown version] |
| 13 | 8 | 0.06 | 4 | 0.12 | Windows 98 |
| 14 | 6 | 0.05 | 3 | 0.09 | Windows 95 |
| 15 | 4 | 0.03 | 2 | 0.06 | Windows CE |
| 16 | 4 | 0.03 | 2 | 0.06 | Intel Mac OS X 10.4 |
| 17 | 4 | 0.03 | 2 | 0.06 | +info@netcraft.com |
| 18 | 2 | 0.02 | 1 | 0.03 | Windows ME |
| 19 | 2 | 0.02 | 1 | 0.03 | Windows XP |
| 20 | 1 | 0.01 | 1 | 0.03 | +http://domains.checkparams.com/ |
| 21 | 1 | 0.01 | 0 | 0.00 | X11 |
