| Used Operating Systems |
| 1 | 2577 | 35.98 | 1276 | 28.55 | Windows NT |
| 2 | 2170 | 30.29 | 2047 | 45.80 | +http://www.baidu.com/search/spider.html |
| 3 | 561 | 7.83 | 241 | 5.39 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 285 | 3.98 | 82 | 1.83 | +http://www.google.com/bot.html |
| 5 | 273 | 3.81 | 272 | 6.09 | http://www.yodao.com/help/webmaster/spid... |
| 6 | 234 | 3.27 | 95 | 2.13 | +http://www.bing.com/bingbot.htm |
| 7 | 211 | 2.95 | 52 | 1.16 | +http://yandex.com/bots |
| 8 | 128 | 1.79 | 8 | 0.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 124 | 1.73 | 113 | 2.53 | Windows 95 |
| 10 | 93 | 1.30 | 6 | 0.13 | Linux i686 [unknown version] |
| 11 | 71 | 0.99 | 14 | 0.31 | http://crawler.sistrix.net/ |
| 12 | 59 | 0.82 | 24 | 0.54 | ezooms.bot@gmail.com |
| 13 | 43 | 0.60 | 28 | 0.63 | Windows 98 |
| 14 | 27 | 0.38 | 27 | 0.60 | Windows 2000 |
| 15 | 26 | 0.36 | 13 | 0.29 | Windows XP |
| 16 | 24 | 0.34 | 24 | 0.54 | MSIE 5.5; Windows NT 4.0 |
| 17 | 23 | 0.32 | 23 | 0.51 | Windows 3.1 |
| 18 | 23 | 0.32 | 21 | 0.47 | MSIE 5.5; Windows NT 5.0 |
| 19 | 22 | 0.31 | 21 | 0.47 | Windows ME |
| 20 | 19 | 0.27 | 1 | 0.02 | J2ME/MIDP |
| 21 | 19 | 0.27 | 7 | 0.16 | Linux [unknown version] |
| 22 | 18 | 0.25 | 17 | 0.38 | Windows CE |
| 23 | 18 | 0.25 | 2 | 0.04 | +http://www.warebay.com/bot.html |
| 24 | 18 | 0.25 | 14 | 0.31 | +http://ahrefs.com/robot/ |
| 25 | 17 | 0.24 | 5 | 0.11 | +http://www.exabot.com/go/robot |
| 26 | 14 | 0.20 | 7 | 0.16 | +http://www.career-x.de/bot.html |
| 27 | 11 | 0.15 | 4 | 0.09 | +http://www.procog.com/spider.html |
| 28 | 10 | 0.14 | 5 | 0.11 | +http://www.acoon.de/robot.asp |
| 29 | 9 | 0.13 | 2 | 0.04 | http://www.nerdbynature.net/bot |
| 30 | 8 | 0.11 | 6 | 0.13 | +http://www.seoprofiler.com/bot |
| 31 | 8 | 0.11 | 4 | 0.09 | +http://shoulu.jike.com/spider.html |
| 32 | 6 | 0.08 | 1 | 0.02 | +http://www.eventguru.com/spider.html |
| 33 | 4 | 0.06 | 2 | 0.04 | +http://discoveryengine.com/discobot.htm... |
| 34 | 3 | 0.04 | 1 | 0.02 | ScoutJet; +http://blekko.com/about/blekk... |
| 35 | 2 | 0.03 | 1 | 0.02 | +http://tweetmeme.com/ |
| 36 | 2 | 0.03 | 1 | 0.02 | +info@netcraft.com |
| 37 | 1 | 0.01 | 1 | 0.02 | http://www.lipperhey.com/ |
| 38 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 39 | 1 | 0.01 | 1 | 0.02 | Intel Mac OS X 10.6 |
