| Used Operating Systems |
| 1 | 17707 | 61.24 | 5355 | 67.38 | Windows NT |
| 2 | 3592 | 12.42 | 114 | 1.43 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1672 | 5.78 | 1573 | 19.79 | +http://www.baidu.com/search/spider.html |
| 4 | 1543 | 5.34 | 2 | 0.03 | +http://webmeup-crawler.com/ |
| 5 | 998 | 3.45 | 225 | 2.83 | help@moz.com |
| 6 | 776 | 2.68 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 7 | 775 | 2.68 | 37 | 0.47 | Windows 98 |
| 8 | 439 | 1.52 | 64 | 0.81 | +http://yandex.com/bots |
| 9 | 358 | 1.24 | 149 | 1.87 | +http://www.google.com/bot.html |
| 10 | 283 | 0.98 | 135 | 1.70 | +http://www.bing.com/bingbot.htm |
| 11 | 238 | 0.82 | 84 | 1.06 | +http://www.linkdex.com/about/bots/ |
| 12 | 96 | 0.33 | 1 | 0.01 | FreeBSD [unknown version] |
| 13 | 80 | 0.28 | 11 | 0.14 | X11 |
| 14 | 58 | 0.20 | 22 | 0.28 | +http://www.exabot.com/go/robot |
| 15 | 55 | 0.19 | 55 | 0.69 | Windows 95 |
| 16 | 48 | 0.17 | 4 | 0.05 | Android 2.3.5 |
| 17 | 28 | 0.10 | 12 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 26 | 0.09 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 19 | 16 | 0.06 | 5 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 14 | 0.05 | 14 | 0.18 | Auto; Windows |
| 21 | 12 | 0.04 | 12 | 0.15 | Windows ME |
| 22 | 12 | 0.04 | 12 | 0.15 | MSIE 5.5; Windows NT 5.0 |
| 23 | 12 | 0.04 | 12 | 0.15 | Windows 3.1 |
| 24 | 11 | 0.04 | 1 | 0.01 | +http://www.linkpad.ru |
| 25 | 10 | 0.03 | 10 | 0.13 | Windows CE |
| 26 | 10 | 0.03 | 10 | 0.13 | Windows 2000 |
| 27 | 10 | 0.03 | 10 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 28 | 8 | 0.03 | 3 | 0.04 | +http://fulltext.sblog.cz/ |
| 29 | 5 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 30 | 5 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 31 | 5 | 0.02 | 5 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 32 | 4 | 0.01 | 4 | 0.05 | Windows XP |
| 33 | 3 | 0.01 | 1 | 0.01 | +http://www.semrush.com/bot.html |
| 34 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 35 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 36 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
