| Used Operating Systems |
| 1 | 21886 | 33.24 | 490 | 2.10 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 15208 | 23.10 | 13967 | 59.85 | +http://www.baidu.com/search/spider.html |
| 3 | 12446 | 18.90 | 4421 | 18.94 | Windows NT |
| 4 | 6287 | 9.55 | 3118 | 13.36 | +http://www.google.com/bot.html |
| 5 | 4195 | 6.37 | 583 | 2.50 | +http://www.bing.com/bingbot.htm |
| 6 | 2000 | 3.04 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 7 | 1042 | 1.58 | 188 | 0.81 | +http://yandex.com/bots |
| 8 | 693 | 1.05 | 71 | 0.30 | Windows 98 |
| 9 | 590 | 0.90 | 2 | 0.01 | http://crawler.sistrix.net/ |
| 10 | 573 | 0.87 | 99 | 0.42 | +http://www.exabot.com/go/robot |
| 11 | 244 | 0.37 | 1 | 0.00 | +http://www.linkpad.ru |
| 12 | 174 | 0.26 | 93 | 0.40 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 91 | 0.14 | 86 | 0.37 | Windows 95 |
| 14 | 69 | 0.10 | 29 | 0.12 | +http://www.linkdex.com/bots/ |
| 15 | 38 | 0.06 | 19 | 0.08 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 36 | 0.05 | 1 | 0.00 | Android |
| 17 | 33 | 0.05 | 23 | 0.10 | Linux i686 [unknown version] |
| 18 | 31 | 0.05 | 4 | 0.02 | X11 |
| 19 | 20 | 0.03 | 19 | 0.08 | Windows 2000 |
| 20 | 20 | 0.03 | 19 | 0.08 | Windows XP |
| 21 | 16 | 0.02 | 16 | 0.07 | Windows ME |
| 22 | 15 | 0.02 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 23 | 15 | 0.02 | 6 | 0.03 | Linux [unknown version] |
| 24 | 15 | 0.02 | 13 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 25 | 12 | 0.02 | 11 | 0.05 | Windows 3.1 |
| 26 | 12 | 0.02 | 11 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 27 | 12 | 0.02 | 2 | 0.01 | Android 2.3.5 |
| 28 | 12 | 0.02 | 12 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 29 | 11 | 0.02 | 10 | 0.04 | Windows CE |
| 30 | 7 | 0.01 | 7 | 0.03 | Auto; Windows |
| 31 | 6 | 0.01 | 6 | 0.03 | +http://wmaid.com/explore/ |
| 32 | 5 | 0.01 | 1 | 0.00 | +http://p4load.com/ |
| 33 | 4 | 0.01 | 2 | 0.01 | +http://gimme60.com |
| 34 | 3 | 0.00 | 1 | 0.00 | +http://getdownload.ws |
| 35 | 3 | 0.00 | 0 | 0.00 | Windows 90 |
| 36 | 2 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 37 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 2 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 39 | 2 | 0.00 | 1 | 0.00 | +http://www.meanpath.com/meanpathbot.htm... |
| 40 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 41 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 42 | 1 | 0.00 | 1 | 0.00 | +http://136.186.231.16 |
| 43 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
