| Used Operating Systems |
| 1 | 36758 | 34.31 | 769 | 4.99 | +http://yandex.com/bots |
| 2 | 13240 | 12.36 | 585 | 3.80 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 13116 | 12.24 | 9985 | 64.84 | +http://www.baidu.com/search/spider.html |
| 4 | 12910 | 12.05 | 2055 | 13.35 | Windows NT |
| 5 | 11854 | 11.07 | 146 | 0.95 | http://mj12bot.com/ |
| 6 | 6499 | 6.07 | 184 | 1.19 | +http://www.bing.com/bingbot.htm |
| 7 | 3348 | 3.13 | 331 | 2.15 | +http://www.google.com/bot.html |
| 8 | 1639 | 1.53 | 425 | 2.76 | +http://ahrefs.com/robot/ |
| 9 | 1185 | 1.11 | 9 | 0.06 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 1135 | 1.06 | 7 | 0.05 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 944 | 0.88 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 12 | 816 | 0.76 | 128 | 0.83 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 530 | 0.49 | 72 | 0.47 | Linux i686 [unknown version] |
| 14 | 466 | 0.44 | 114 | 0.74 | +http://www.linkdex.com/bots/ |
| 15 | 402 | 0.38 | 41 | 0.27 | +http://www.profound.net/domainappender |
| 16 | 316 | 0.29 | 1 | 0.01 | +http://megaindex.com/crawler |
| 17 | 217 | 0.20 | 147 | 0.95 | Windows 95 |
| 18 | 187 | 0.17 | 4 | 0.03 | +http://www.semrush.com/bot.html |
| 19 | 138 | 0.13 | 74 | 0.48 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 128 | 0.12 | 18 | 0.12 | Windows 98 |
| 21 | 116 | 0.11 | 2 | 0.01 | Archive-It; +http://archive-it.org/files... |
| 22 | 111 | 0.10 | 1 | 0.01 | http://www.wise-guys.nl/ |
| 23 | 102 | 0.10 | 1 | 0.01 | +http://www.similartech.com/smtbot |
| 24 | 99 | 0.09 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 25 | 98 | 0.09 | 0 | 0.00 | Android |
| 26 | 92 | 0.09 | 22 | 0.14 | Windows XP |
| 27 | 91 | 0.08 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 28 | 52 | 0.05 | 4 | 0.03 | +http://siteexplorer.info/Backlink-Check... |
| 29 | 51 | 0.05 | 1 | 0.01 | http://www.similartech.com/smtbot |
| 30 | 43 | 0.04 | 35 | 0.23 | Auto; Windows |
| 31 | 37 | 0.03 | 28 | 0.18 | ) - BrowseX (2.0.0 Windows |
| 32 | 36 | 0.03 | 26 | 0.17 | Windows ME |
| 33 | 34 | 0.03 | 29 | 0.19 | +http://glutenfreepleasure.com/ |
| 34 | 33 | 0.03 | 7 | 0.05 | +http://www.exabot.com/go/robot |
| 35 | 32 | 0.03 | 28 | 0.18 | Windows CE |
| 36 | 31 | 0.03 | 24 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 37 | 26 | 0.02 | 20 | 0.13 | Windows 2000 |
| 38 | 26 | 0.02 | 22 | 0.14 | Windows 3.1 |
| 39 | 26 | 0.02 | 0 | 0.00 | +http://www.uptime.com/uptimebot |
| 40 | 25 | 0.02 | 20 | 0.13 | MSIE 5.5; Windows NT 4.0 |
| 41 | 22 | 0.02 | 0 | 0.00 | +https://deusu.de/robot.html |
| 42 | 22 | 0.02 | 2 | 0.01 | +http://www.seokicks.de/robot.html |
| 43 | 14 | 0.01 | 1 | 0.01 | +http://naver.me/bot |
| 44 | 13 | 0.01 | 11 | 0.07 | +info@netcraft.com |
| 45 | 11 | 0.01 | 1 | 0.01 | crawler@mixrank.com |
| 46 | 8 | 0.01 | 5 | 0.03 | +http://duckduckgo.com |
| 47 | 5 | 0.00 | 2 | 0.01 | +http://sur.ly/bot.html |
| 48 | 4 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 49 | 4 | 0.00 | 0 | 0.00 | Android 4.1 |
| 50 | 3 | 0.00 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 51 | 3 | 0.00 | 0 | 0.00 | X11 |
| 52 | 3 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 53 | 2 | 0.00 | 0 | 0.00 | documents; +http://docs.google.com |
| 54 | 2 | 0.00 | 2 | 0.01 | J2ME/MIDP |
| 55 | 2 | 0.00 | 1 | 0.01 | +https://raventools.com/seo-website-audi... |
| 56 | 2 | 0.00 | 0 | 0.00 | http://www.botje.com/plukkie.htm |
| 57 | 2 | 0.00 | 0 | 0.00 | http://webagent.wise-guys.nl/ |
| 58 | 2 | 0.00 | 0 | 0.00 | http://yooz.ir; info@yooz.ir |
| 59 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 60 | 1 | 0.00 | 1 | 0.01 | BeOS BePC |
| 61 | 1 | 0.00 | 0 | 0.00 | Linux [unknown version] |
| 62 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 63 | 1 | 0.00 | 0 | 0.00 | Linux 2.6.x |
| 64 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 65 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
