| Used Operating Systems |
| 1 | 50093 | 41.12 | 33011 | 85.03 | +http://ahrefs.com/robot/ |
| 2 | 37437 | 30.73 | 212 | 0.55 | http://mj12bot.com/ |
| 3 | 13038 | 10.70 | 2 | 0.01 | +http://megaindex.com/crawler |
| 4 | 5638 | 4.63 | 293 | 0.75 | +http://yandex.com/bots |
| 5 | 3660 | 3.00 | 849 | 2.19 | Windows NT |
| 6 | 3004 | 2.47 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 7 | 2842 | 2.33 | 711 | 1.83 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 1943 | 1.60 | 1827 | 4.71 | +http://www.baidu.com/search/spider.html |
| 9 | 1884 | 1.55 | 936 | 2.41 | +http://www.google.com/bot.html |
| 10 | 642 | 0.53 | 266 | 0.69 | +http://www.bing.com/bingbot.htm |
| 11 | 513 | 0.42 | 282 | 0.73 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 500 | 0.41 | 160 | 0.41 | +http://www.linkdex.com/bots/ |
| 13 | 121 | 0.10 | 1 | 0.00 | +http://www.linkpad.ru |
| 14 | 76 | 0.06 | 22 | 0.06 | +http://www.exabot.com/go/robot |
| 15 | 70 | 0.06 | 16 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 62 | 0.05 | 60 | 0.15 | Windows 95 |
| 17 | 51 | 0.04 | 23 | 0.06 | Windows 98 |
| 18 | 37 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 19 | 27 | 0.02 | 19 | 0.05 | +http://www.uptime.com/uptimebot |
| 20 | 24 | 0.02 | 12 | 0.03 | +http://www.pinterest.com/bot.html |
| 21 | 23 | 0.02 | 23 | 0.06 | Windows CE |
| 22 | 21 | 0.02 | 20 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 23 | 16 | 0.01 | 8 | 0.02 | +http://help.coccoc.com/searchengine |
| 24 | 13 | 0.01 | 12 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 25 | 11 | 0.01 | 5 | 0.01 | Windows XP |
| 26 | 8 | 0.01 | 8 | 0.02 | Windows 2000 |
| 27 | 8 | 0.01 | 8 | 0.02 | Auto; Windows |
| 28 | 8 | 0.01 | 8 | 0.02 | Windows 3.1 |
| 29 | 8 | 0.01 | 8 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 30 | 6 | 0.00 | 3 | 0.01 | +http://duckduckgo.com |
| 31 | 4 | 0.00 | 2 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 32 | 4 | 0.00 | 4 | 0.01 | Windows ME |
| 33 | 4 | 0.00 | 3 | 0.01 | Linux i686 [unknown version] |
| 34 | 4 | 0.00 | 2 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 35 | 3 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 36 | 3 | 0.00 | 1 | 0.00 | X11 |
| 37 | 2 | 0.00 | 1 | 0.00 | +http://cliqz.com/company/cliqzbot |
| 38 | 2 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 39 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 40 | 1 | 0.00 | 1 | 0.00 | Series 60 |
| 41 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
