| Used Operating Systems |
| 1 | 27263 | 40.20 | 245 | 4.39 | +http://www.semrush.com/bot.html |
| 2 | 23723 | 34.98 | 208 | 3.73 | http://mj12bot.com/ |
| 3 | 7028 | 10.36 | 2069 | 37.10 | Windows NT |
| 4 | 4417 | 6.51 | 133 | 2.38 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 1387 | 2.05 | 810 | 14.52 | +http://www.google.com/bot.html |
| 6 | 619 | 0.91 | 340 | 6.10 | +http://www.bing.com/bingbot.htm |
| 7 | 593 | 0.87 | 169 | 3.03 | +http://www.linkdex.com/bots/ |
| 8 | 536 | 0.79 | 122 | 2.19 | +http://yandex.com/bots |
| 9 | 191 | 0.28 | 126 | 2.26 | +http://ahrefs.com/robot/ |
| 10 | 149 | 0.22 | 149 | 2.67 | Windows 2008 |
| 11 | 137 | 0.20 | 137 | 2.46 | Windows 2005 |
| 12 | 135 | 0.20 | 135 | 2.42 | Windows 2003 |
| 13 | 133 | 0.20 | 132 | 2.37 | Windows 2006 |
| 14 | 132 | 0.19 | 132 | 2.37 | Windows 2004 |
| 15 | 128 | 0.19 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 16 | 117 | 0.17 | 116 | 2.08 | Windows 9 |
| 17 | 114 | 0.17 | 114 | 2.04 | Windows 2007 |
| 18 | 105 | 0.15 | 105 | 1.88 | Windows 2002 |
| 19 | 100 | 0.15 | 93 | 1.67 | +http://www.baidu.com/search/spider.html |
| 20 | 94 | 0.14 | 2 | 0.04 | Linux i586 [unknown version] |
| 21 | 79 | 0.12 | 55 | 0.99 | Windows 95 |
| 22 | 70 | 0.10 | 35 | 0.63 | http://help.yahoo.com/help/us/ysearch/sl... |
| 23 | 65 | 0.10 | 1 | 0.02 | +http://www.similartech.com/smtbot |
| 24 | 64 | 0.09 | 1 | 0.02 | http://crawler.007ac9.net/ |
| 25 | 63 | 0.09 | 1 | 0.02 | +http://megaindex.com/crawler |
| 26 | 36 | 0.05 | 4 | 0.07 | +http://www.seokicks.de/robot.html |
| 27 | 33 | 0.05 | 11 | 0.20 | Windows XP |
| 28 | 32 | 0.05 | 14 | 0.25 | Windows 98 |
| 29 | 30 | 0.04 | 2 | 0.04 | Android |
| 30 | 30 | 0.04 | 7 | 0.13 | +http://napoveda.seznam.cz/en/seznambot-... |
| 31 | 27 | 0.04 | 0 | 0.00 | X11 |
| 32 | 26 | 0.04 | 14 | 0.25 | Windows ME |
| 33 | 23 | 0.03 | 12 | 0.22 | ) - BrowseX (2.0.0 Windows |
| 34 | 16 | 0.02 | 5 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 35 | 16 | 0.02 | 12 | 0.22 | MSIE 5.5; Windows NT 5.0 |
| 36 | 14 | 0.02 | 5 | 0.09 | +http://cliqz.com/company/cliqzbot |
| 37 | 14 | 0.02 | 13 | 0.23 | +http://www.uptime.com/uptimebot |
| 38 | 12 | 0.02 | 8 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 39 | 9 | 0.01 | 5 | 0.09 | Windows CE |
| 40 | 9 | 0.01 | 8 | 0.14 | Windows 3.1 |
| 41 | 9 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 42 | 8 | 0.01 | 6 | 0.11 | Windows 2000 |
| 43 | 5 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 44 | 4 | 0.01 | 2 | 0.04 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 45 | 4 | 0.01 | 4 | 0.07 | Auto; Windows |
| 46 | 4 | 0.01 | 2 | 0.04 | +http://www.findxbot.com |
| 47 | 4 | 0.01 | 2 | 0.04 | +http://duckduckgo.com |
| 48 | 3 | 0.00 | 3 | 0.05 | https://nmap.org/book/nse.html |
| 49 | 3 | 0.00 | 3 | 0.05 | +http://alphaseobot.com/bot.html |
| 50 | 2 | 0.00 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 51 | 2 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 52 | 1 | 0.00 | 0 | 0.00 | http://www.similartech.com/smtbot |
| 53 | 1 | 0.00 | 1 | 0.02 | S60 |
