| Used Operating Systems |
| 1 | 73860 | 52.13 | 415 | 1.21 | http://mj12bot.com/ |
| 2 | 47561 | 33.57 | 29786 | 86.81 | +http://ahrefs.com/robot/ |
| 3 | 5102 | 3.60 | 762 | 2.22 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 3338 | 2.36 | 128 | 0.37 | +http://www.semrush.com/bot.html |
| 5 | 2941 | 2.08 | 573 | 1.67 | +http://www.linkdex.com/bots/ |
| 6 | 1860 | 1.31 | 495 | 1.44 | +http://www.google.com/bot.html |
| 7 | 1706 | 1.20 | 165 | 0.48 | +http://yandex.com/bots |
| 8 | 1612 | 1.14 | 920 | 2.68 | +http://www.baidu.com/search/spider.html |
| 9 | 1164 | 0.82 | 291 | 0.85 | +http://www.bing.com/bingbot.htm |
| 10 | 1085 | 0.77 | 588 | 1.71 | Windows NT |
| 11 | 502 | 0.35 | 3 | 0.01 | Linux [unknown version] |
| 12 | 342 | 0.24 | 28 | 0.08 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 202 | 0.14 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 14 | 173 | 0.12 | 28 | 0.08 | +http://siteexplorer.info/Backlink-Check... |
| 15 | 54 | 0.04 | 6 | 0.02 | +http://www.seokicks.de/robot.html |
| 16 | 28 | 0.02 | 28 | 0.08 | Windows 95 |
| 17 | 15 | 0.01 | 5 | 0.01 | +http://www.exabot.com/go/robot |
| 18 | 14 | 0.01 | 4 | 0.01 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 19 | 14 | 0.01 | 7 | 0.02 | +http://www.pinterest.com/bot.html |
| 20 | 12 | 0.01 | 1 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 11 | 0.01 | 9 | 0.03 | Windows 98 |
| 22 | 9 | 0.01 | 5 | 0.01 | +http://sur.ly/bot.html |
| 23 | 8 | 0.01 | 5 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 8 | 0.01 | 8 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 25 | 8 | 0.01 | 4 | 0.01 | +http://duckduckgo.com |
| 26 | 7 | 0.00 | 1 | 0.00 | http://filterdb.iss.net/crawler/ |
| 27 | 6 | 0.00 | 6 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 28 | 5 | 0.00 | 5 | 0.01 | Windows 3.1 |
| 29 | 5 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
| 30 | 4 | 0.00 | 4 | 0.01 | Windows CE |
| 31 | 4 | 0.00 | 1 | 0.00 | +https://www.mojeek.com/bot.html |
| 32 | 4 | 0.00 | 4 | 0.01 | Windows ME |
| 33 | 4 | 0.00 | 4 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 34 | 4 | 0.00 | 2 | 0.01 | X11 |
| 35 | 3 | 0.00 | 3 | 0.01 | Windows 2000 |
| 36 | 3 | 0.00 | 3 | 0.01 | Auto; Windows |
| 37 | 3 | 0.00 | 0 | 0.00 | +http://glutenfreepleasure.com/ |
| 38 | 3 | 0.00 | 2 | 0.01 | Windows XP |
| 39 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 40 | 2 | 0.00 | 1 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 41 | 2 | 0.00 | 1 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 42 | 1 | 0.00 | 1 | 0.00 | https://nmap.org/book/nse.html |
| 43 | 1 | 0.00 | 1 | 0.00 | OpenBSD [unknown version] |
| 44 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.5 |
| 45 | 1 | 0.00 | 1 | 0.00 | J2ME/MIDP |
| 46 | 1 | 0.00 | 1 | 0.00 | +http://eripp.com |
| 47 | 1 | 0.00 | 1 | 0.00 | Linux i686 [unknown version] |
