| Used Operating Systems |
| 1 | 4491 | 43.30 | 928 | 23.34 | Windows NT |
| 2 | 2371 | 22.86 | 2122 | 53.37 | +http://www.baidu.com/search/spider.html |
| 3 | 1032 | 9.95 | 331 | 8.32 | +http://www.bing.com/bingbot.htm |
| 4 | 653 | 6.30 | 39 | 0.98 | +http://yandex.com/bots |
| 5 | 624 | 6.02 | 185 | 4.65 | +http://www.google.com/bot.html |
| 6 | 467 | 4.50 | 102 | 2.57 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 150 | 1.45 | 59 | 1.48 | ezooms.bot@gmail.com |
| 8 | 105 | 1.01 | 24 | 0.60 | +http://www.linkdex.com/about/bots/ |
| 9 | 70 | 0.67 | 50 | 1.26 | +http://ahrefs.com/robot/ |
| 10 | 49 | 0.47 | 5 | 0.13 | +http://help.coccoc.com/ |
| 11 | 46 | 0.44 | 2 | 0.05 | X11 |
| 12 | 39 | 0.38 | 8 | 0.20 | +http://siteexplorer.info/ |
| 13 | 36 | 0.35 | 9 | 0.23 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 35 | 0.34 | 27 | 0.68 | +http://help.soso.com/webspider.htm |
| 15 | 34 | 0.33 | 10 | 0.25 | +http://www.semrush.com/bot.html |
| 16 | 28 | 0.27 | 3 | 0.08 | +http://filterdb.iss.net/crawler/ |
| 17 | 27 | 0.26 | 10 | 0.25 | +http://www.exabot.com/go/robot |
| 18 | 26 | 0.25 | 25 | 0.63 | +http://shoulu.jike.com/spider.html |
| 19 | 20 | 0.19 | 11 | 0.28 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 18 | 0.17 | 1 | 0.03 | +http://www.solomono.ru |
| 21 | 12 | 0.12 | 1 | 0.03 | http://www.lipperhey.com/ |
| 22 | 10 | 0.10 | 5 | 0.13 | +http://www.easou.com/search/spider.html |
| 23 | 6 | 0.06 | 6 | 0.15 | Linux i686 [unknown version] |
| 24 | 5 | 0.05 | 4 | 0.10 | +info@netcraft.com |
| 25 | 3 | 0.03 | 3 | 0.08 | +http://pmoz.info/doc/botinfo.htm |
| 26 | 3 | 0.03 | 0 | 0.00 | Windows 98 |
| 27 | 2 | 0.02 | 2 | 0.05 | +http://www.yesup.net/bot.html |
| 28 | 2 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 29 | 2 | 0.02 | 1 | 0.03 | ScoutJet; +http://blekko.com/about/blekk... |
| 30 | 1 | 0.01 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 31 | 1 | 0.01 | 1 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 32 | 1 | 0.01 | 1 | 0.03 | Linux [unknown version] |
| 33 | 1 | 0.01 | 1 | 0.03 | +http://domains.checkparams.com/ |
| 34 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X 10.5 |
