| Used Operating Systems |
| 1 | 11545 | 43.52 | 164 | 1.90 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5945 | 22.41 | 4349 | 50.49 | +http://www.baidu.com/search/spider.html |
| 3 | 3646 | 13.74 | 2201 | 25.55 | +http://ahrefs.com/robot/ |
| 4 | 1896 | 7.15 | 570 | 6.62 | Windows NT |
| 5 | 991 | 3.74 | 462 | 5.36 | +http://www.google.com/bot.html |
| 6 | 828 | 3.12 | 269 | 3.12 | +http://www.bing.com/bingbot.htm |
| 7 | 594 | 2.24 | 132 | 1.53 | +http://yandex.com/bots |
| 8 | 419 | 1.58 | 125 | 1.45 | +http://www.linkdex.com/bots/ |
| 9 | 217 | 0.82 | 88 | 1.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 160 | 0.60 | 77 | 0.89 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 92 | 0.35 | 90 | 1.04 | +http://www.xovibot.net/ |
| 12 | 47 | 0.18 | 12 | 0.14 | +http://www.semrush.com/bot.html |
| 13 | 18 | 0.07 | 3 | 0.03 | +http://webmeup-crawler.com/ |
| 14 | 17 | 0.06 | 8 | 0.09 | Windows 98 |
| 15 | 14 | 0.05 | 9 | 0.10 | Windows 95 |
| 16 | 10 | 0.04 | 5 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 9 | 0.03 | 4 | 0.05 | http://www.botje.com/plukkie.htm |
| 18 | 8 | 0.03 | 4 | 0.05 | http://www.opensiteexplorer.org/dotbot, ... |
| 19 | 7 | 0.03 | 7 | 0.08 | Windows 2000 |
| 20 | 7 | 0.03 | 1 | 0.01 | +info@netcraft.com |
| 21 | 6 | 0.02 | 2 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 22 | 6 | 0.02 | 1 | 0.01 | +http://www.findxbot.com |
| 23 | 6 | 0.02 | 2 | 0.02 | +http://duckduckgo.com |
| 24 | 5 | 0.02 | 5 | 0.06 | Windows 3.1 |
| 25 | 5 | 0.02 | 1 | 0.01 | Linux i686 [unknown version] |
| 26 | 5 | 0.02 | 5 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 27 | 3 | 0.01 | 3 | 0.03 | +http://www.privacyaware.org |
| 28 | 3 | 0.01 | 2 | 0.02 | Windows XP |
| 29 | 2 | 0.01 | 2 | 0.02 | Windows CE |
| 30 | 2 | 0.01 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 31 | 2 | 0.01 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 32 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 33 | 2 | 0.01 | 1 | 0.01 | +http://www.exabot.com/go/robot |
| 34 | 1 | 0.00 | 1 | 0.01 | Win32 |
| 35 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 36 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 37 | 1 | 0.00 | 1 | 0.01 | Windows ME |
| 38 | 1 | 0.00 | 1 | 0.01 | +http://www.domaintuno.com/robot |
| 39 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 41 | 1 | 0.00 | 1 | 0.01 | Linux i586 [unknown version] |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 43 | 1 | 0.00 | 0 | 0.00 | X11 |
| 44 | 1 | 0.00 | 1 | 0.01 | +http://www.uptime.com/uptimebot |
