| Used Operating Systems |
| 1 | 3914 | 41.30 | 1497 | 29.06 | Windows NT |
| 2 | 2661 | 28.08 | 2304 | 44.73 | +http://www.baidu.com/search/spider.html |
| 3 | 949 | 10.01 | 367 | 7.12 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 276 | 2.91 | 112 | 2.17 | +http://www.google.com/bot.html |
| 5 | 268 | 2.83 | 74 | 1.44 | +http://yandex.com/bots |
| 6 | 268 | 2.83 | 112 | 2.17 | +http://www.bing.com/bingbot.htm |
| 7 | 257 | 2.71 | 256 | 4.97 | http://www.yodao.com/help/webmaster/spid... |
| 8 | 233 | 2.46 | 16 | 0.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 147 | 1.55 | 124 | 2.41 | Windows 95 |
| 10 | 69 | 0.73 | 34 | 0.66 | Windows 98 |
| 11 | 36 | 0.38 | 33 | 0.64 | Windows 2000 |
| 12 | 34 | 0.36 | 12 | 0.23 | Intel Mac OS X 10.4 |
| 13 | 34 | 0.36 | 30 | 0.58 | Windows ME |
| 14 | 31 | 0.33 | 31 | 0.60 | MSIE 5.5; Windows NT 5.0 |
| 15 | 29 | 0.31 | 7 | 0.14 | http://crawler.sistrix.net/ |
| 16 | 27 | 0.28 | 25 | 0.49 | Windows CE |
| 17 | 26 | 0.27 | 25 | 0.49 | Windows 3.1 |
| 18 | 24 | 0.25 | 3 | 0.06 | Linux i686 [unknown version] |
| 19 | 23 | 0.24 | 21 | 0.41 | MSIE 5.5; Windows NT 4.0 |
| 20 | 23 | 0.24 | 2 | 0.04 | Intel Mac OS X 10.6 |
| 21 | 22 | 0.23 | 14 | 0.27 | Windows XP |
| 22 | 21 | 0.22 | 17 | 0.33 | +http://ahrefs.com/robot/ |
| 23 | 15 | 0.16 | 3 | 0.06 | +http://www.hailoo.com/spider.html |
| 24 | 14 | 0.15 | 5 | 0.10 | +http://www.exabot.com/go/robot |
| 25 | 13 | 0.14 | 4 | 0.08 | ScoutJet; +http://blekko.com/about/blekk... |
| 26 | 10 | 0.11 | 4 | 0.08 | +http://shoulu.jike.com/spider.html |
| 27 | 9 | 0.09 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 28 | 9 | 0.09 | 1 | 0.02 | PPC Mac OS X 10.5 |
| 29 | 8 | 0.08 | 4 | 0.08 | +http://www.acoon.de/robot.asp |
| 30 | 5 | 0.05 | 3 | 0.06 | +http://discoveryengine.com/discobot.htm... |
| 31 | 4 | 0.04 | 2 | 0.04 | http://promotests.com/? |
| 32 | 4 | 0.04 | 2 | 0.04 | +http://www.openindex.io/en/webmasters/s... |
| 33 | 4 | 0.04 | 2 | 0.04 | ezooms.bot@gmail.com |
| 34 | 4 | 0.04 | 2 | 0.04 | +http://www.career-x.de/bot.html |
| 35 | 3 | 0.03 | 2 | 0.04 | +info@netcraft.com |
| 36 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 37 | 1 | 0.01 | 1 | 0.02 | Win32 |
