| Used Operating Systems |
| 1 | 54719 | 54.71 | 437 | 3.26 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12919 | 12.92 | 326 | 2.44 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 11823 | 11.82 | 5296 | 39.56 | Windows NT |
| 4 | 6629 | 6.63 | 4484 | 33.50 | +http://www.baidu.com/search/spider.html |
| 5 | 3683 | 3.68 | 183 | 1.37 | Windows 98 |
| 6 | 2559 | 2.56 | 1163 | 8.69 | +http://www.easou.com/search/spider.html |
| 7 | 2017 | 2.02 | 57 | 0.43 | +http://OpenLinkProfiler.org/bot |
| 8 | 1685 | 1.68 | 664 | 4.96 | +http://www.google.com/bot.html |
| 9 | 1028 | 1.03 | 5 | 0.04 | +http://www.warebay.com/bot.html |
| 10 | 569 | 0.57 | 236 | 1.76 | +http://www.bing.com/bingbot.htm |
| 11 | 553 | 0.55 | 239 | 1.79 | +http://ahrefs.com/robot/ |
| 12 | 520 | 0.52 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 13 | 412 | 0.41 | 23 | 0.17 | +http://yandex.com/bots |
| 14 | 277 | 0.28 | 68 | 0.51 | +http://www.linkdex.com/bots/ |
| 15 | 141 | 0.14 | 2 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 121 | 0.12 | 11 | 0.08 | +http://www.profound.net/urlappendbot.ht... |
| 17 | 77 | 0.08 | 33 | 0.25 | +http://help.coccoc.com/ |
| 18 | 61 | 0.06 | 23 | 0.17 | +http://www.exabot.com/go/robot |
| 19 | 49 | 0.05 | 30 | 0.22 | X11 |
| 20 | 31 | 0.03 | 31 | 0.23 | Windows 95 |
| 21 | 23 | 0.02 | 15 | 0.11 | Android 2.3.5 |
| 22 | 15 | 0.01 | 5 | 0.04 | Windows XP |
| 23 | 11 | 0.01 | 1 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 10 | 0.01 | 1 | 0.01 | +http://www.linkpad.ru |
| 25 | 8 | 0.01 | 8 | 0.06 | Windows 2000 |
| 26 | 8 | 0.01 | 1 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 27 | 6 | 0.01 | 6 | 0.04 | Windows CE |
| 28 | 6 | 0.01 | 6 | 0.04 | Windows 3.1 |
| 29 | 6 | 0.01 | 6 | 0.04 | Windows ME |
| 30 | 6 | 0.01 | 6 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 31 | 6 | 0.01 | 3 | 0.02 | +http://wmaid.com/explore/ |
| 32 | 6 | 0.01 | 2 | 0.01 | +http://inload.in |
| 33 | 5 | 0.00 | 0 | 0.00 | Linux [unknown version] |
| 34 | 3 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 35 | 3 | 0.00 | 1 | 0.01 | +http://downloaflare.biz |
| 36 | 3 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 37 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 38 | 3 | 0.00 | 1 | 0.01 | +http://freedlf.com/ |
| 39 | 3 | 0.00 | 3 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 40 | 2 | 0.00 | 1 | 0.01 | +http://www.proximic.com/info/spider.php |
| 41 | 2 | 0.00 | 2 | 0.01 | +http://136.186.231.16 |
| 42 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 43 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows NT 5.0; Dealio Tool... |
| 44 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows 98; Dealio Toolbar ... |
| 45 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows 98; FDM; Crazy Brow... |
| 46 | 1 | 0.00 | 1 | 0.01 | Trident/5.0; Windows 98;GB; MS-RTC LM 8;... |
