| Used Operating Systems |
| 1 | 21848 | 43.98 | 213 | 1.96 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11764 | 23.68 | 4872 | 44.88 | Windows NT |
| 3 | 3595 | 7.24 | 2875 | 26.48 | +http://www.baidu.com/search/spider.html |
| 4 | 2804 | 5.65 | 20 | 0.18 | +http://OpenLinkProfiler.org/bot |
| 5 | 2122 | 4.27 | 523 | 4.82 | +http://www.bing.com/bingbot.htm |
| 6 | 1924 | 3.87 | 351 | 3.23 | +http://yandex.com/bots |
| 7 | 1887 | 3.80 | 401 | 3.69 | +http://ahrefs.com/robot/ |
| 8 | 1351 | 2.72 | 688 | 6.34 | +http://www.google.com/bot.html |
| 9 | 507 | 1.02 | 4 | 0.04 | +http://www.warebay.com/bot.html |
| 10 | 321 | 0.65 | 157 | 1.45 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 263 | 0.53 | 62 | 0.57 | +http://www.linkdex.com/bots/ |
| 12 | 193 | 0.39 | 167 | 1.54 | Windows 95 |
| 13 | 180 | 0.36 | 42 | 0.39 | +http://www.exabot.com/go/robot |
| 14 | 157 | 0.32 | 88 | 0.81 | Linux i686 [unknown version] |
| 15 | 107 | 0.22 | 37 | 0.34 | Windows 98 |
| 16 | 99 | 0.20 | 36 | 0.33 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 50 | 0.10 | 14 | 0.13 | X11 |
| 18 | 50 | 0.10 | 1 | 0.01 | +http://advbot.org/bot.html |
| 19 | 42 | 0.08 | 36 | 0.33 | Windows CE |
| 20 | 42 | 0.08 | 20 | 0.18 | Win32 |
| 21 | 40 | 0.08 | 35 | 0.32 | Windows 3.1 |
| 22 | 34 | 0.07 | 8 | 0.07 | Windows XP |
| 23 | 33 | 0.07 | 27 | 0.25 | MSIE 5.5; Windows NT 5.0 |
| 24 | 32 | 0.06 | 18 | 0.17 | Linux [unknown version] |
| 25 | 32 | 0.06 | 28 | 0.26 | Windows ME |
| 26 | 28 | 0.06 | 27 | 0.25 | MSIE 5.5; Windows NT 4.0 |
| 27 | 26 | 0.05 | 23 | 0.21 | Auto; Windows |
| 28 | 24 | 0.05 | 24 | 0.22 | Windows 2000 |
| 29 | 20 | 0.04 | 10 | 0.09 | +http://duckduckgo.com |
| 30 | 19 | 0.04 | 19 | 0.18 | ) - BrowseX (2.0.0 Windows |
| 31 | 11 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 32 | 11 | 0.02 | 1 | 0.01 | +http://www.linkpad.ru |
| 33 | 10 | 0.02 | 2 | 0.02 | Android 2.3.5 |
| 34 | 8 | 0.02 | 4 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 8 | 0.02 | 8 | 0.07 | Linux i586 [unknown version] |
| 36 | 5 | 0.01 | 1 | 0.01 | J2ME/MIDP |
| 37 | 5 | 0.01 | 4 | 0.04 | +info@netcraft.com |
| 38 | 4 | 0.01 | 3 | 0.03 | Intel Mac OS X 10.7 |
| 39 | 4 | 0.01 | 1 | 0.01 | http://filterdb.iss.net/crawler/ |
| 40 | 3 | 0.01 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 41 | 2 | 0.00 | 1 | 0.01 | FreeBSD [unknown version] |
| 42 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 43 | 1 | 0.00 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 44 | 1 | 0.00 | 1 | 0.01 | i686 Linux; 20020802 |
| 45 | 1 | 0.00 | 1 | 0.01 | +; |
| 46 | 1 | 0.00 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 47 | 1 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 48 | 1 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
