| Used Operating Systems |
| 1 | 12461 | 71.57 | 324 | 8.88 | Windows NT |
| 2 | 2799 | 16.08 | 2408 | 66.01 | +http://www.baidu.com/search/spider.html |
| 3 | 502 | 2.88 | 225 | 6.17 | +http://www.google.com/bot.html |
| 4 | 310 | 1.78 | 110 | 3.02 | +http://yandex.com/bots |
| 5 | 257 | 1.48 | 114 | 3.12 | +http://www.bing.com/bingbot.htm |
| 6 | 240 | 1.38 | 104 | 2.85 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 186 | 1.07 | 186 | 5.10 | http://www.yodao.com/help/webmaster/spid... |
| 8 | 108 | 0.62 | 42 | 1.15 | ezooms.bot@gmail.com |
| 9 | 98 | 0.56 | 16 | 0.44 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 93 | 0.53 | 10 | 0.27 | http://crawler.sistrix.net/ |
| 11 | 73 | 0.42 | 18 | 0.49 | +http://www.exabot.com/go/robot |
| 12 | 41 | 0.24 | 22 | 0.60 | +http://shoulu.jike.com/spider.html |
| 13 | 30 | 0.17 | 7 | 0.19 | +http://ahrefs.com/robot/ |
| 14 | 28 | 0.16 | 1 | 0.03 | X11 |
| 15 | 28 | 0.16 | 10 | 0.27 | +http://www.acoon.de/robot.asp |
| 16 | 26 | 0.15 | 2 | 0.05 | +http://www.aihit.com/ |
| 17 | 26 | 0.15 | 13 | 0.36 | +http://www.eventguru.com/spider.html |
| 18 | 22 | 0.13 | 8 | 0.22 | Windows 98 |
| 19 | 18 | 0.10 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 20 | 13 | 0.07 | 3 | 0.08 | Linux i686 [unknown version] |
| 21 | 11 | 0.06 | 5 | 0.14 | +http://discoveryengine.com/discobot.htm... |
| 22 | 8 | 0.05 | 0 | 0.00 | http://desktop.google.com/ |
| 23 | 7 | 0.04 | 3 | 0.08 | http://www.botje.com/plukkie.htm |
| 24 | 6 | 0.03 | 3 | 0.08 | http://www.youdao.com/help/webmaster/spi... |
| 25 | 6 | 0.03 | 2 | 0.05 | ScoutJet; +http://blekko.com/about/blekk... |
| 26 | 4 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 27 | 3 | 0.02 | 3 | 0.08 | +http://pmoz.info/doc/botinfo.htm |
| 28 | 3 | 0.02 | 3 | 0.08 | Windows 95 |
| 29 | 2 | 0.01 | 2 | 0.05 | Windows 2000 |
| 30 | 2 | 0.01 | 1 | 0.03 | +http://domains.checkparams.com/ |
| 31 | 1 | 0.01 | 1 | 0.03 | Windows 3.1 |
