| Used Operating Systems |
| 1 | 14243 | 63.62 | 469 | 11.37 | Windows NT |
| 2 | 3183 | 14.22 | 2604 | 63.11 | +http://www.baidu.com/search/spider.html |
| 3 | 882 | 3.94 | 16 | 0.39 | http://crawler.sistrix.net/ |
| 4 | 623 | 2.78 | 202 | 4.90 | +http://www.google.com/bot.html |
| 5 | 563 | 2.51 | 208 | 5.04 | +http://www.bing.com/bingbot.htm |
| 6 | 488 | 2.18 | 127 | 3.08 | +http://yandex.com/bots |
| 7 | 438 | 1.96 | 21 | 0.51 | ezooms.bot@gmail.com |
| 8 | 357 | 1.59 | 7 | 0.17 | Linux i686 [unknown version] |
| 9 | 299 | 1.34 | 297 | 7.20 | http://www.yodao.com/help/webmaster/spid... |
| 10 | 278 | 1.24 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 11 | 266 | 1.19 | 10 | 0.24 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 141 | 0.63 | 29 | 0.70 | http://www.majestic12.co.uk/bot.php?+ |
| 13 | 135 | 0.60 | 4 | 0.10 | ScoutJet; +http://blekko.com/about/blekk... |
| 14 | 106 | 0.47 | 77 | 1.87 | +http://ahrefs.com/robot/ |
| 15 | 93 | 0.42 | 2 | 0.05 | +http://www.aihit.com/ |
| 16 | 88 | 0.39 | 3 | 0.07 | Linux [unknown version] |
| 17 | 60 | 0.27 | 2 | 0.05 | PPC Mac OS X 10.5 |
| 18 | 55 | 0.25 | 26 | 0.63 | +http://www.exabot.com/go/robot |
| 19 | 21 | 0.09 | 5 | 0.12 | +http://www.acoon.de/robot.asp |
| 20 | 20 | 0.09 | 0 | 0.00 | Windows XP |
| 21 | 15 | 0.07 | 5 | 0.12 | +http://www.career-x.de/bot.html |
| 22 | 11 | 0.05 | 0 | 0.00 | http://desktop.google.com/ |
| 23 | 9 | 0.04 | 1 | 0.02 | +http://discoveryengine.com/discobot.htm... |
| 24 | 6 | 0.03 | 6 | 0.15 | Intel Mac OS X 10.4 |
| 25 | 4 | 0.02 | 2 | 0.05 | +http://shoulu.jike.com/spider.html |
| 26 | 3 | 0.01 | 2 | 0.05 | +info@netcraft.com |
