| Used Operating Systems |
| 1 | 4016 | 32.03 | 2030 | 39.46 | Windows NT |
| 2 | 2780 | 22.17 | 73 | 1.42 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2103 | 16.77 | 1802 | 35.03 | +http://www.baidu.com/search/spider.html |
| 4 | 999 | 7.97 | 282 | 5.48 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 800 | 6.38 | 0 | 0.00 | Win32; Trident/4.0 |
| 6 | 570 | 4.55 | 317 | 6.16 | +http://www.google.com/bot.html |
| 7 | 423 | 3.37 | 256 | 4.98 | +http://www.bing.com/bingbot.htm |
| 8 | 344 | 2.74 | 217 | 4.22 | +http://ahrefs.com/robot/ |
| 9 | 158 | 1.26 | 52 | 1.01 | +http://www.linkdex.com/bots/ |
| 10 | 120 | 0.96 | 28 | 0.54 | +http://yandex.com/bots |
| 11 | 36 | 0.29 | 17 | 0.33 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 30 | 0.24 | 15 | 0.29 | +http://www.meanpath.com/meanpathbot.htm... |
| 13 | 18 | 0.14 | 3 | 0.06 | http://crawler.007ac9.net/ |
| 14 | 14 | 0.11 | 6 | 0.12 | +http://www.exabot.com/go/robot |
| 15 | 11 | 0.09 | 6 | 0.12 | X11 |
| 16 | 10 | 0.08 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 17 | 10 | 0.08 | 1 | 0.02 | Windows 98 |
| 18 | 9 | 0.07 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 19 | 7 | 0.06 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 20 | 6 | 0.05 | 3 | 0.06 | +http://help.coccoc.com/ |
| 21 | 5 | 0.04 | 0 | 0.00 | Linux [unknown version] |
| 22 | 5 | 0.04 | 4 | 0.08 | +http://www.semrush.com/bot.html |
| 23 | 4 | 0.03 | 1 | 0.02 | crawler@mixrank.com |
| 24 | 4 | 0.03 | 1 | 0.02 | +http://mono.name |
| 25 | 4 | 0.03 | 1 | 0.02 | +http://uni5download.com |
| 26 | 4 | 0.03 | 1 | 0.02 | +http://getdownload.ws |
| 27 | 4 | 0.03 | 1 | 0.02 | +http://galaxydownloads.co |
| 28 | 4 | 0.03 | 4 | 0.08 | Windows 95 |
| 29 | 4 | 0.03 | 3 | 0.06 | +info@netcraft.com |
| 30 | 4 | 0.03 | 2 | 0.04 | +http://fulltext.sblog.cz/ |
| 31 | 3 | 0.02 | 1 | 0.02 | +http://alphaphitote.com |
| 32 | 3 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 33 | 3 | 0.02 | 1 | 0.02 | +http://opendownload.pw |
| 34 | 2 | 0.02 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 35 | 2 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 36 | 2 | 0.02 | 2 | 0.04 | +http://fb02itsscan.fh-muenster.de |
| 37 | 2 | 0.02 | 0 | 0.00 | Android 2.3.5 |
| 38 | 2 | 0.02 | 1 | 0.02 | ScoutJet; +http://blekko.com/about/blekk... |
| 39 | 2 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 40 | 2 | 0.02 | 1 | 0.02 | +http://siteexplorer.info/ |
| 41 | 1 | 0.01 | 1 | 0.02 | Windows CE |
| 42 | 1 | 0.01 | 1 | 0.02 | Windows 2000 |
| 43 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 44 | 1 | 0.01 | 1 | 0.02 | Windows 3.1 |
| 45 | 1 | 0.01 | 1 | 0.02 | Linux 2.0.x |
| 46 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 47 | 1 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 48 | 1 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
