| Used Operating Systems |
| 1 | 136270 | 84.23 | 701 | 6.09 | http://mj12bot.com/ |
| 2 | 13247 | 8.19 | 7541 | 65.48 | +http://ahrefs.com/robot/ |
| 3 | 6155 | 3.80 | 1613 | 14.01 | Windows NT |
| 4 | 1634 | 1.01 | 115 | 1.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 1434 | 0.89 | 517 | 4.49 | +http://www.linkdex.com/bots/ |
| 6 | 1239 | 0.77 | 390 | 3.39 | +http://www.bing.com/bingbot.htm |
| 7 | 364 | 0.22 | 66 | 0.57 | +http://yandex.com/bots |
| 8 | 302 | 0.19 | 188 | 1.63 | +http://www.baidu.com/search/spider.html |
| 9 | 217 | 0.13 | 110 | 0.96 | +http://www.google.com/bot.html |
| 10 | 206 | 0.13 | 76 | 0.66 | +http://help.coccoc.com/searchengine |
| 11 | 146 | 0.09 | 57 | 0.49 | +http://www.semrush.com/bot.html |
| 12 | 97 | 0.06 | 10 | 0.09 | +http://siteexplorer.info/Backlink-Check... |
| 13 | 81 | 0.05 | 29 | 0.25 | +http://napoveda.seznam.cz/en/seznambot-... |
| 14 | 72 | 0.04 | 8 | 0.07 | +http://www.seokicks.de/robot.html |
| 15 | 42 | 0.03 | 2 | 0.02 | https://nmap.org/book/nse.html |
| 16 | 31 | 0.02 | 2 | 0.02 | X11 |
| 17 | 30 | 0.02 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 18 | 30 | 0.02 | 3 | 0.03 | +https://www.aihitdata.com/about |
| 19 | 26 | 0.02 | 7 | 0.06 | +http://nlp.fi.muni.cz/projects/biwec/ |
| 20 | 22 | 0.01 | 6 | 0.05 | +http://www.exabot.com/go/robot |
| 21 | 20 | 0.01 | 4 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 12 | 0.01 | 11 | 0.10 | Windows 95 |
| 23 | 12 | 0.01 | 10 | 0.09 | +http://www.uptime.com/uptimebot |
| 24 | 10 | 0.01 | 1 | 0.01 | +http://megaindex.com/crawler |
| 25 | 10 | 0.01 | 5 | 0.04 | +http://duckduckgo.com |
| 26 | 9 | 0.01 | 7 | 0.06 | Windows XP |
| 27 | 9 | 0.01 | 1 | 0.01 | Android 2.3.5 |
| 28 | 8 | 0.00 | 7 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 29 | 7 | 0.00 | 1 | 0.01 | Windows 98 |
| 30 | 6 | 0.00 | 3 | 0.03 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 31 | 5 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 32 | 5 | 0.00 | 1 | 0.01 | +http://www.grouphigh.com/ |
| 33 | 4 | 0.00 | 2 | 0.02 | Windows 2000 |
| 34 | 4 | 0.00 | 2 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 35 | 4 | 0.00 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 36 | 4 | 0.00 | 2 | 0.02 | http://www.majestic12.co.uk/bot.php?+ |
| 37 | 4 | 0.00 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 38 | 2 | 0.00 | 2 | 0.02 | Windows CE |
| 39 | 2 | 0.00 | 2 | 0.02 | Auto; Windows |
| 40 | 2 | 0.00 | 2 | 0.02 | Windows 3.1 |
| 41 | 2 | 0.00 | 2 | 0.02 | Linux i686 [unknown version] |
| 42 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 43 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
