| Used Operating Systems |
| 1 | 43614 | 36.02 | 567 | 7.45 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 34889 | 28.82 | 387 | 5.08 | +http://ahrefs.com/robot/ |
| 3 | 8665 | 7.16 | 1591 | 20.89 | Windows NT |
| 4 | 7698 | 6.36 | 1085 | 14.25 | +http://www.xovibot.net/ |
| 5 | 3802 | 3.14 | 1230 | 16.15 | +http://www.bing.com/bingbot.htm |
| 6 | 3540 | 2.92 | 1313 | 17.24 | +http://www.google.com/bot.html |
| 7 | 2829 | 2.34 | 3 | 0.04 | crawler@goodzer.com |
| 8 | 2824 | 2.33 | 0 | 0.00 | +http://www.baidu.com/search/spider.html |
| 9 | 2549 | 2.11 | 3 | 0.04 | +http://megaindex.com/crawler |
| 10 | 1917 | 1.58 | 3 | 0.04 | +http://www.seokicks.de/robot.html |
| 11 | 1586 | 1.31 | 323 | 4.24 | +http://yandex.com/bots |
| 12 | 1351 | 1.12 | 99 | 1.30 | +http://www.semrush.com/bot.html |
| 13 | 1262 | 1.04 | 200 | 2.63 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 1065 | 0.88 | 388 | 5.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 907 | 0.75 | 15 | 0.20 | +http://OpenLinkProfiler.org/bot |
| 16 | 544 | 0.45 | 113 | 1.48 | +http://www.linkdex.com/bots/ |
| 17 | 520 | 0.43 | 4 | 0.05 | +http://www.warebay.com/bot.html |
| 18 | 390 | 0.32 | 2 | 0.03 | +http://webmeup-crawler.com/ |
| 19 | 196 | 0.16 | 4 | 0.05 | http://www.searchmetrics.com/en/searchme... |
| 20 | 142 | 0.12 | 5 | 0.07 | +https://www.aihitdata.com/about |
| 21 | 138 | 0.11 | 59 | 0.77 | +http://duckduckgo.com |
| 22 | 90 | 0.07 | 16 | 0.21 | http://www.bing.com/bingbot.htm |
| 23 | 70 | 0.06 | 2 | 0.03 | +http://fulltext.sblog.cz/ |
| 24 | 63 | 0.05 | 21 | 0.28 | Windows XP |
| 25 | 43 | 0.04 | 14 | 0.18 | Windows 98 |
| 26 | 42 | 0.03 | 6 | 0.08 | http://filterdb.iss.net/crawler/ |
| 27 | 36 | 0.03 | 13 | 0.17 | Linux i686 [unknown version] |
| 28 | 33 | 0.03 | 11 | 0.14 | Windows 95 |
| 29 | 32 | 0.03 | 16 | 0.21 | +http://www.meanpath.com/meanpathbot.htm... |
| 30 | 26 | 0.02 | 2 | 0.03 | Windows 3.1 |
| 31 | 25 | 0.02 | 13 | 0.17 | +http://www.exabot.com/go/robot |
| 32 | 21 | 0.02 | 12 | 0.16 | +https://gimmeusa.com/pages/crawler |
| 33 | 21 | 0.02 | 4 | 0.05 | +https://www.lipperhey.com/en/about/ |
| 34 | 18 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 35 | 15 | 0.01 | 15 | 0.20 | Linux [unknown version] |
| 36 | 15 | 0.01 | 14 | 0.18 | +info@netcraft.com |
| 37 | 15 | 0.01 | 14 | 0.18 | +http://domainsigma.com/robot |
| 38 | 12 | 0.01 | 3 | 0.04 | Windows CE |
| 39 | 7 | 0.01 | 4 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 40 | 6 | 0.00 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 41 | 6 | 0.00 | 5 | 0.07 | Linux i586 [unknown version] |
| 42 | 5 | 0.00 | 3 | 0.04 | Windows 2000 |
| 43 | 5 | 0.00 | 3 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 44 | 4 | 0.00 | 2 | 0.03 | +https://www.mojeek.com/bot.html |
| 45 | 4 | 0.00 | 4 | 0.05 | FreeBSD [unknown version] |
| 46 | 4 | 0.00 | 2 | 0.03 | +http://prlog.ru/ |
| 47 | 3 | 0.00 | 1 | 0.01 | Auto; Windows |
| 48 | 3 | 0.00 | 3 | 0.04 | +http://www.domaintuno.com/robot |
| 49 | 2 | 0.00 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 50 | 2 | 0.00 | 2 | 0.03 | +http:// |
| 51 | 2 | 0.00 | 2 | 0.03 | i686 Linux; 20020718 |
| 52 | 2 | 0.00 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 53 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 54 | 2 | 0.00 | 0 | 0.00 | OSF1 alpha |
| 55 | 2 | 0.00 | 2 | 0.03 | X11 |
| 56 | 2 | 0.00 | 2 | 0.03 | help@moz.com |
| 57 | 2 | 0.00 | 2 | 0.03 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 58 | 2 | 0.00 | 2 | 0.03 | Windows 9x |
| 59 | 2 | 0.00 | 2 | 0.03 | +http://domainmacro.com |
| 60 | 1 | 0.00 | 0 | 0.00 | Android |
| 61 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
