| Used Operating Systems |
| 1 | 44455 | 36.71 | 399 | 0.85 | http://mj12bot.com/ |
| 2 | 38034 | 31.41 | 29865 | 63.81 | +http://ahrefs.com/robot/ |
| 3 | 16551 | 13.67 | 11619 | 24.83 | +http://www.baidu.com/search/spider.html |
| 4 | 4379 | 3.62 | 155 | 0.33 | +http://www.semrush.com/bot.html |
| 5 | 4002 | 3.30 | 4 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 6 | 3097 | 2.56 | 1690 | 3.61 | +http://www.google.com/bot.html |
| 7 | 2261 | 1.87 | 284 | 0.61 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 1764 | 1.46 | 96 | 0.21 | +http://yandex.com/bots |
| 9 | 1724 | 1.42 | 479 | 1.02 | +http://www.linkdex.com/bots/ |
| 10 | 1482 | 1.22 | 682 | 1.46 | Windows NT |
| 11 | 1345 | 1.11 | 850 | 1.82 | +http://www.bing.com/bingbot.htm |
| 12 | 363 | 0.30 | 146 | 0.31 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 329 | 0.27 | 4 | 0.01 | X11 |
| 14 | 270 | 0.22 | 132 | 0.28 | +http://napoveda.seznam.cz/en/seznambot-... |
| 15 | 249 | 0.21 | 1 | 0.00 | Linux [unknown version] |
| 16 | 165 | 0.14 | 68 | 0.15 | +http://www.exabot.com/go/robot |
| 17 | 137 | 0.11 | 129 | 0.28 | +http://www.uptime.com/uptimebot |
| 18 | 76 | 0.06 | 43 | 0.09 | +http://www.xovibot.net/ |
| 19 | 74 | 0.06 | 4 | 0.01 | Linux i686 [unknown version] |
| 20 | 57 | 0.05 | 50 | 0.11 | +http://megogoserial.ru |
| 21 | 54 | 0.04 | 6 | 0.01 | +http://www.seokicks.de/robot.html |
| 22 | 54 | 0.04 | 8 | 0.02 | +http://help.coccoc.com/searchengine |
| 23 | 36 | 0.03 | 15 | 0.03 | +http://www.proximic.com/info/spider.php |
| 24 | 35 | 0.03 | 30 | 0.06 | +http://tiod.ru |
| 25 | 17 | 0.01 | 3 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 26 | 16 | 0.01 | 9 | 0.02 | +https://www.mojeek.com/bot.html |
| 27 | 14 | 0.01 | 2 | 0.00 | http://filterdb.iss.net/crawler/ |
| 28 | 10 | 0.01 | 5 | 0.01 | +http://duckduckgo.com |
| 29 | 8 | 0.01 | 4 | 0.01 | +http://cliqz.com/company/cliqzbot |
| 30 | 6 | 0.00 | 3 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 31 | 6 | 0.00 | 3 | 0.01 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 32 | 6 | 0.00 | 1 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 33 | 6 | 0.00 | 4 | 0.01 | +info@netcraft.com |
| 34 | 6 | 0.00 | 3 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 35 | 2 | 0.00 | 1 | 0.00 | +http://www.findxbot.com |
| 36 | 1 | 0.00 | 1 | 0.00 | https://nmap.org/book/nse.html |
| 37 | 1 | 0.00 | 0 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 38 | 1 | 0.00 | 1 | 0.00 | Windows 95 |
| 39 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.4 |
| 40 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 41 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.6 |
| 42 | 1 | 0.00 | 1 | 0.00 | Windows 98 |
