| Used Operating Systems |
| 1 | 10057 | 21.27 | 3518 | 38.25 | Windows NT |
| 2 | 8435 | 17.84 | 77 | 0.84 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 7313 | 15.47 | 52 | 0.57 | +http://ahrefs.com/robot/ |
| 4 | 4856 | 10.27 | 1738 | 18.90 | +http://www.bing.com/bingbot.htm |
| 5 | 4842 | 10.24 | 1196 | 13.00 | +http://www.google.com/bot.html |
| 6 | 3556 | 7.52 | 187 | 2.03 | +http://help.soso.com/webspider.htm |
| 7 | 2188 | 4.63 | 1183 | 12.86 | +http://www.baidu.com/search/spider.html |
| 8 | 1759 | 3.72 | 13 | 0.14 | http://crawler.sistrix.net/ |
| 9 | 1146 | 2.42 | 164 | 1.78 | +http://discoveryengine.com/discoverybot... |
| 10 | 625 | 1.32 | 105 | 1.14 | +http://www.exabot.com/go/robot |
| 11 | 505 | 1.07 | 10 | 0.11 | ezooms.bot@gmail.com |
| 12 | 495 | 1.05 | 123 | 1.34 | +http://yandex.com/bots |
| 13 | 294 | 0.62 | 219 | 2.38 | +http://shoulu.jike.com/spider.html |
| 14 | 219 | 0.46 | 154 | 1.67 | Windows 95 |
| 15 | 170 | 0.36 | 33 | 0.36 | Windows 98 |
| 16 | 126 | 0.27 | 3 | 0.03 | +http://siteexplorer.info/ |
| 17 | 108 | 0.23 | 58 | 0.63 | +http://www.proximic.com/info/spider.php |
| 18 | 102 | 0.22 | 74 | 0.80 | MSIE 5.5; Windows 95 |
| 19 | 48 | 0.10 | 37 | 0.40 | Auto; Windows |
| 20 | 44 | 0.09 | 6 | 0.07 | Windows XP |
| 21 | 39 | 0.08 | 32 | 0.35 | Windows 2000 |
| 22 | 39 | 0.08 | 31 | 0.34 | MSIE 5.5; Windows NT 5.0 |
| 23 | 37 | 0.08 | 35 | 0.38 | ) - BrowseX (2.0.0 Windows |
| 24 | 36 | 0.08 | 29 | 0.32 | Windows CE |
| 25 | 33 | 0.07 | 26 | 0.28 | Windows 3.1 |
| 26 | 33 | 0.07 | 30 | 0.33 | MSIE 5.5; Windows NT 4.0 |
| 27 | 24 | 0.05 | 21 | 0.23 | Windows ME |
| 28 | 23 | 0.05 | 7 | 0.08 | +http://www.procog.com/ |
| 29 | 16 | 0.03 | 9 | 0.10 | +http://www.netseer.com/crawler.html; cr... |
| 30 | 14 | 0.03 | 3 | 0.03 | +http://www.yunyun.com/spider.html |
| 31 | 12 | 0.03 | 1 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 32 | 12 | 0.03 | 0 | 0.00 | X11 |
| 33 | 11 | 0.02 | 4 | 0.04 | +http://www.semrush.com/bot.html |
| 34 | 8 | 0.02 | 2 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 35 | 8 | 0.02 | 3 | 0.03 | Android 2.3.5 |
| 36 | 6 | 0.01 | 2 | 0.02 | Windows Phone OS 7.5 |
| 37 | 5 | 0.01 | 2 | 0.02 | Linux i686 [unknown version] |
| 38 | 5 | 0.01 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 39 | 4 | 0.01 | 1 | 0.01 | Android |
| 40 | 4 | 0.01 | 2 | 0.02 | +http://help.coccoc.com/ |
| 41 | 4 | 0.01 | 1 | 0.01 | Android 2.2 |
| 42 | 4 | 0.01 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 43 | 3 | 0.01 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 44 | 3 | 0.01 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 45 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 46 | 2 | 0.00 | 1 | 0.01 | +http://www.acoon.de/robot.asp |
| 47 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 48 | 1 | 0.00 | 0 | 0.00 | +http://go.mail.ru/help/robots |
| 49 | 1 | 0.00 | 0 | 0.00 | http://www.searchmetrics.com/en/searchme... |
