| Used Operating Systems |
| 1 | 4860 | 42.43 | 836 | 17.41 | Windows NT |
| 2 | 2150 | 18.77 | 2026 | 42.19 | +http://www.baidu.com/search/spider.html |
| 3 | 894 | 7.81 | 532 | 11.08 | +http://www.google.com/bot.html |
| 4 | 623 | 5.44 | 224 | 4.66 | ezooms.bot@gmail.com |
| 5 | 573 | 5.00 | 212 | 4.41 | +http://yandex.com/bots |
| 6 | 506 | 4.42 | 391 | 8.14 | +http://ahrefs.com/robot/ |
| 7 | 456 | 3.98 | 255 | 5.31 | +http://www.bing.com/bingbot.htm |
| 8 | 357 | 3.12 | 6 | 0.12 | http://crawler.sistrix.net/ |
| 9 | 228 | 1.99 | 1 | 0.02 | http://www.nerdbynature.net/bot |
| 10 | 159 | 1.39 | 3 | 0.06 | http://kalooga.com/crawler |
| 11 | 137 | 1.20 | 2 | 0.04 | PPC Mac OS X 10.4 |
| 12 | 121 | 1.06 | 121 | 2.52 | http://www.yodao.com/help/webmaster/spid... |
| 13 | 75 | 0.65 | 4 | 0.08 | Linux i686 [unknown version] |
| 14 | 73 | 0.64 | 33 | 0.69 | +http://discoveryengine.com/discobot.htm... |
| 15 | 41 | 0.36 | 39 | 0.81 | Windows 95 |
| 16 | 29 | 0.25 | 22 | 0.46 | Windows 98 |
| 17 | 23 | 0.20 | 18 | 0.37 | MSIE 5.5; Windows NT 5.0 |
| 18 | 22 | 0.19 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 19 | 21 | 0.18 | 6 | 0.12 | http://www.majestic12.co.uk/bot.php?+ |
| 20 | 16 | 0.14 | 11 | 0.23 | Windows XP |
| 21 | 15 | 0.13 | 8 | 0.17 | +http://www.exabot.com/go/robot |
| 22 | 14 | 0.12 | 12 | 0.25 | Windows CE |
| 23 | 8 | 0.07 | 6 | 0.12 | Windows ME |
| 24 | 8 | 0.07 | 8 | 0.17 | Windows 3.1 |
| 25 | 7 | 0.06 | 5 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 26 | 6 | 0.05 | 6 | 0.12 | Windows 2000 |
| 27 | 5 | 0.04 | 3 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 28 | 4 | 0.03 | 1 | 0.02 | +http://www.hailoo.com/spider.html |
| 29 | 4 | 0.03 | 2 | 0.04 | Intel Mac OS X 10.6 |
| 30 | 4 | 0.03 | 3 | 0.06 | +http://shoulu.jike.com/spider.html |
| 31 | 3 | 0.03 | 1 | 0.02 | Linux [unknown version] |
| 32 | 3 | 0.03 | 1 | 0.02 | ScoutJet; +http://blekko.com/about/blekk... |
| 33 | 2 | 0.02 | 0 | 0.00 | Windows 9. |
| 34 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 35 | 2 | 0.02 | 1 | 0.02 | +http://www.acoon.de/robot.asp |
| 36 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 37 | 1 | 0.01 | 1 | 0.02 | Intel Mac OS X |
