| Used Operating Systems |
| 1 | 5427 | 56.10 | 752 | 22.51 | Windows NT |
| 2 | 1593 | 16.47 | 1560 | 46.69 | +http://www.baidu.com/search/spider.html |
| 3 | 483 | 4.99 | 222 | 6.64 | +http://www.bing.com/bingbot.htm |
| 4 | 361 | 3.73 | 125 | 3.74 | +http://www.google.com/bot.html |
| 5 | 337 | 3.48 | 204 | 6.11 | +http://ahrefs.com/robot/ |
| 6 | 277 | 2.86 | 65 | 1.95 | +http://yandex.com/bots |
| 7 | 252 | 2.61 | 2 | 0.06 | PPC Mac OS X Mach-O |
| 8 | 231 | 2.39 | 231 | 6.91 | http://www.yodao.com/help/webmaster/spid... |
| 9 | 147 | 1.52 | 34 | 1.02 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 109 | 1.13 | 43 | 1.29 | ezooms.bot@gmail.com |
| 11 | 100 | 1.03 | 22 | 0.66 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 95 | 0.98 | 1 | 0.03 | Intel Mac OS X 10.6 |
| 13 | 80 | 0.83 | 23 | 0.69 | +http://shoulu.jike.com/spider.html |
| 14 | 48 | 0.50 | 3 | 0.09 | X11 |
| 15 | 40 | 0.41 | 4 | 0.12 | http://crawler.sistrix.net/ |
| 16 | 22 | 0.23 | 11 | 0.33 | +http://www.exabot.com/go/robot |
| 17 | 17 | 0.18 | 10 | 0.30 | Windows 98 |
| 18 | 11 | 0.11 | 7 | 0.21 | +http://4seohunt.com/bot.html |
| 19 | 10 | 0.10 | 4 | 0.12 | http://www.botje.com/plukkie.htm |
| 20 | 7 | 0.07 | 1 | 0.03 | +http://go.mail.ru/help/robots |
| 21 | 5 | 0.05 | 4 | 0.12 | +info@netcraft.com |
| 22 | 3 | 0.03 | 1 | 0.03 | PPC Mac OS X 10.4 |
| 23 | 3 | 0.03 | 1 | 0.03 | ScoutJet; +http://blekko.com/about/blekk... |
| 24 | 2 | 0.02 | 1 | 0.03 | Windows 2000 |
| 25 | 2 | 0.02 | 2 | 0.06 | Intel Mac OS X 10.5 |
| 26 | 2 | 0.02 | 1 | 0.03 | crawler@unister.de |
| 27 | 2 | 0.02 | 1 | 0.03 | +http://www.acoon.de/robot.asp |
| 28 | 1 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 29 | 1 | 0.01 | 1 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 30 | 1 | 0.01 | 1 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 31 | 1 | 0.01 | 1 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 32 | 1 | 0.01 | 1 | 0.03 | +http://domains.checkparams.com/ |
| 33 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
| 34 | 1 | 0.01 | 1 | 0.03 | Windows 95 |
