| Used Operating Systems |
| 1 | 75422 | 37.48 | 614 | 2.96 | http://mj12bot.com/ |
| 2 | 54518 | 27.09 | 14260 | 68.66 | +http://ahrefs.com/robot/ |
| 3 | 44491 | 22.11 | 1472 | 7.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 4412 | 2.19 | 30 | 0.14 | +http://OpenLinkProfiler.org/bot |
| 5 | 4337 | 2.16 | 768 | 3.70 | Windows NT |
| 6 | 4092 | 2.03 | 957 | 4.61 | +http://www.bing.com/bingbot.htm |
| 7 | 3557 | 1.77 | 1411 | 6.79 | +http://www.google.com/bot.html |
| 8 | 3197 | 1.59 | 492 | 2.37 | +http://yandex.com/bots |
| 9 | 1457 | 0.72 | 3 | 0.01 | +http://megaindex.com/crawler |
| 10 | 1068 | 0.53 | 14 | 0.07 | +http://www.baidu.com/search/spider.html |
| 11 | 1020 | 0.51 | 114 | 0.55 | +http://www.semrush.com/bot.html |
| 12 | 834 | 0.41 | 157 | 0.76 | +http://www.linkdex.com/bots/ |
| 13 | 781 | 0.39 | 1 | 0.00 | crawler@goodzer.com |
| 14 | 530 | 0.26 | 139 | 0.67 | +http://napoveda.seznam.cz/en/seznambot-... |
| 15 | 251 | 0.12 | 96 | 0.46 | +http://duckduckgo.com |
| 16 | 250 | 0.12 | 1 | 0.00 | Linux i586 [unknown version] |
| 17 | 232 | 0.12 | 15 | 0.07 | +https://www.aihitdata.com/about |
| 18 | 214 | 0.11 | 13 | 0.06 | Linux i686 [unknown version] |
| 19 | 90 | 0.04 | 10 | 0.05 | X11 |
| 20 | 55 | 0.03 | 24 | 0.12 | Windows 95 |
| 21 | 42 | 0.02 | 15 | 0.07 | Windows 98 |
| 22 | 41 | 0.02 | 10 | 0.05 | +http://www.pinterest.com/bot.html |
| 23 | 38 | 0.02 | 12 | 0.06 | +http://cliqz.com/company/cliqzbot |
| 24 | 38 | 0.02 | 23 | 0.11 | +info@netcraft.com |
| 25 | 36 | 0.02 | 19 | 0.09 | +http://www.exabot.com/go/robot |
| 26 | 24 | 0.01 | 12 | 0.06 | +http://alphaseobot.com/bot.html |
| 27 | 23 | 0.01 | 12 | 0.06 | +http://www.grapeshot.co.uk/crawler.php |
| 28 | 22 | 0.01 | 8 | 0.04 | Windows XP |
| 29 | 20 | 0.01 | 8 | 0.04 | http://www.botje.com/plukkie.htm |
| 30 | 18 | 0.01 | 9 | 0.04 | +https://www.mojeek.com/bot.html |
| 31 | 16 | 0.01 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 32 | 16 | 0.01 | 1 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 33 | 15 | 0.01 | 5 | 0.02 | +http://www.seokicks.de/robot.html |
| 34 | 14 | 0.01 | 5 | 0.02 | Windows 2000 |
| 35 | 11 | 0.01 | 10 | 0.05 | +http://glutenfreepleasure.com/ |
| 36 | 9 | 0.00 | 5 | 0.02 | Windows 3.1 |
| 37 | 8 | 0.00 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 38 | 6 | 0.00 | 3 | 0.01 | Windows CE |
| 39 | 6 | 0.00 | 0 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 40 | 4 | 0.00 | 2 | 0.01 | Auto; Windows |
| 41 | 4 | 0.00 | 0 | 0.00 | http://nmap.org/book/nse.html |
| 42 | 4 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 4 | 0.00 | 4 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 44 | 4 | 0.00 | 4 | 0.02 | http://www.majestic12.co.uk/bot.php?+ |
| 45 | 4 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 46 | 3 | 0.00 | 1 | 0.00 | Windows ME |
| 47 | 2 | 0.00 | 2 | 0.01 | Linux [unknown version] |
| 48 | 2 | 0.00 | 2 | 0.01 | Meta_Bot/1.1 |
| 49 | 1 | 0.00 | 1 | 0.00 | OpenBSD [unknown version] |
| 50 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.4 |
| 51 | 1 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 52 | 1 | 0.00 | 1 | 0.00 | SunOS sun4m |
