| Used Operating Systems |
| 1 | 34100 | 35.61 | 241 | 1.35 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 16099 | 16.81 | 12063 | 67.82 | +http://ahrefs.com/robot/ |
| 3 | 13098 | 13.68 | 387 | 2.18 | +http://yandex.com/bots |
| 4 | 11519 | 12.03 | 55 | 0.31 | http://mj12bot.com/ |
| 5 | 9317 | 9.73 | 995 | 5.59 | Windows NT |
| 6 | 3786 | 3.95 | 608 | 3.42 | +http://www.bing.com/bingbot.htm |
| 7 | 2412 | 2.52 | 1872 | 10.53 | +http://www.baidu.com/search/spider.html |
| 8 | 1660 | 1.73 | 745 | 4.19 | +http://www.google.com/bot.html |
| 9 | 786 | 0.82 | 143 | 0.80 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 484 | 0.51 | 50 | 0.28 | +http://www.semrush.com/bot.html |
| 11 | 472 | 0.49 | 96 | 0.54 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 455 | 0.48 | 109 | 0.61 | +http://www.linkdex.com/bots/ |
| 13 | 452 | 0.47 | 180 | 1.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 171 | 0.18 | 24 | 0.13 | +http://www.profound.net/domainappender |
| 15 | 112 | 0.12 | 31 | 0.17 | Windows 98 |
| 16 | 106 | 0.11 | 12 | 0.07 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 101 | 0.11 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 18 | 92 | 0.10 | 2 | 0.01 | +http://www.warebay.com/bot.html |
| 19 | 86 | 0.09 | 2 | 0.01 | Linux i586 [unknown version] |
| 20 | 65 | 0.07 | 22 | 0.12 | Windows XP |
| 21 | 61 | 0.06 | 48 | 0.27 | +http://www.uptime.com/uptimebot |
| 22 | 42 | 0.04 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 23 | 40 | 0.04 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 24 | 37 | 0.04 | 19 | 0.11 | +http://duckduckgo.com |
| 25 | 27 | 0.03 | 3 | 0.02 | +http://www.seokicks.de/robot.html |
| 26 | 25 | 0.03 | 12 | 0.07 | Windows 95 |
| 27 | 17 | 0.02 | 8 | 0.04 | +https://deusu.de/robot.html |
| 28 | 16 | 0.02 | 8 | 0.04 | +http://www.exabot.com/go/robot |
| 29 | 13 | 0.01 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 30 | 12 | 0.01 | 6 | 0.03 | +http://monsido.com/bot.html; info@monsi... |
| 31 | 12 | 0.01 | 10 | 0.06 | +http://besome1.info/securityresearchbot... |
| 32 | 10 | 0.01 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.2019; Windows NT ... |
| 33 | 7 | 0.01 | 2 | 0.01 | Windows 3.1 |
| 34 | 7 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 35 | 6 | 0.01 | 4 | 0.02 | +info@netcraft.com |
| 36 | 6 | 0.01 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 37 | 4 | 0.00 | 2 | 0.01 | Auto; Windows |
| 38 | 4 | 0.00 | 4 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 39 | 4 | 0.00 | 3 | 0.02 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 40 | 4 | 0.00 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 41 | 4 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 42 | 3 | 0.00 | 2 | 0.01 | Windows CE |
| 43 | 3 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 44 | 2 | 0.00 | 0 | 0.00 | http://linkfluence.net/; bot@linkfluence... |
| 45 | 2 | 0.00 | 1 | 0.01 | +http://www.scoutjet.com/ |
| 46 | 2 | 0.00 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 47 | 2 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 48 | 1 | 0.00 | 0 | 0.00 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 49 | 1 | 0.00 | 1 | 0.01 | +http://support.embed.ly/ |
| 50 | 1 | 0.00 | 1 | 0.01 | Windows Phone OS 7.5 |
| 51 | 1 | 0.00 | 1 | 0.01 | http://support.paper.li/entries/20023257... |
| 52 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 53 | 1 | 0.00 | 1 | 0.01 | FreeBSD [unknown version] |
| 54 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 55 | 1 | 0.00 | 1 | 0.01 | MSIE 9.0; WIndows NT 9.0; en-US |
