| Used Operating Systems |
| 1 | 19266 | 39.93 | 1672 | 36.09 | Windows NT |
| 2 | 10450 | 21.66 | 134 | 2.89 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 8772 | 18.18 | 202 | 4.36 | +http://ahrefs.com/robot/ |
| 4 | 3274 | 6.78 | 301 | 6.50 | +http://www.google.com/bot.html |
| 5 | 2431 | 5.04 | 1252 | 27.02 | +http://www.baidu.com/search/spider.html |
| 6 | 1768 | 3.66 | 325 | 7.01 | +http://www.bing.com/bingbot.htm |
| 7 | 396 | 0.82 | 5 | 0.11 | +http://fulltext.sblog.cz/ |
| 8 | 249 | 0.52 | 196 | 4.23 | Windows 95 |
| 9 | 231 | 0.48 | 6 | 0.13 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 183 | 0.38 | 52 | 1.12 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 178 | 0.37 | 37 | 0.80 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 162 | 0.34 | 42 | 0.91 | Windows 98 |
| 13 | 126 | 0.26 | 39 | 0.84 | +http://www.linkdex.com/bots/ |
| 14 | 71 | 0.15 | 11 | 0.24 | Windows XP |
| 15 | 60 | 0.12 | 5 | 0.11 | +http://yandex.com/bots |
| 16 | 56 | 0.12 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 17 | 46 | 0.10 | 40 | 0.86 | Windows 3.1 |
| 18 | 44 | 0.09 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 19 | 43 | 0.09 | 39 | 0.84 | MSIE 5.5; Windows NT 5.0 |
| 20 | 41 | 0.08 | 39 | 0.84 | Windows ME |
| 21 | 38 | 0.08 | 32 | 0.69 | MSIE 5.5; Windows NT 4.0 |
| 22 | 37 | 0.08 | 37 | 0.80 | Windows CE |
| 23 | 37 | 0.08 | 34 | 0.73 | ) - BrowseX (2.0.0 Windows |
| 24 | 36 | 0.07 | 33 | 0.71 | Windows 2000 |
| 25 | 36 | 0.07 | 7 | 0.15 | +http://www.semrush.com/bot.html |
| 26 | 31 | 0.06 | 29 | 0.63 | Auto; Windows |
| 27 | 28 | 0.06 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 28 | 22 | 0.05 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 29 | 22 | 0.05 | 10 | 0.22 | +http://duckduckgo.com |
| 30 | 14 | 0.03 | 12 | 0.26 | http://www.bing.com/bingbot.htm |
| 31 | 14 | 0.03 | 4 | 0.09 | Linux [unknown version] |
| 32 | 12 | 0.02 | 6 | 0.13 | +http://help.coccoc.com/ |
| 33 | 12 | 0.02 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 34 | 10 | 0.02 | 1 | 0.02 | +http://megaindex.com/crawler |
| 35 | 10 | 0.02 | 5 | 0.11 | +http://www.exabot.com/go/robot |
| 36 | 7 | 0.01 | 1 | 0.02 | +http://www.profound.net/domainappender |
| 37 | 5 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 38 | 4 | 0.01 | 2 | 0.04 | Linux i686 [unknown version] |
| 39 | 4 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 40 | 4 | 0.01 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 41 | 3 | 0.01 | 3 | 0.06 | +http://www.domaintuno.com/robot |
| 42 | 3 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 43 | 3 | 0.01 | 1 | 0.02 | +http://prlog.ru/ |
| 44 | 3 | 0.01 | 2 | 0.04 | Linux i586 [unknown version] |
| 45 | 2 | 0.00 | 1 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 46 | 2 | 0.00 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 47 | 2 | 0.00 | 1 | 0.02 | +http://crawler.seolytics.net/ |
| 48 | 1 | 0.00 | 1 | 0.02 | Macintosh PPC |
| 49 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 50 | 1 | 0.00 | 0 | 0.00 | SunOS i86pc |
| 51 | 1 | 0.00 | 1 | 0.02 | X11 |
| 52 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 53 | 1 | 0.00 | 1 | 0.02 | actually this is http://ismyblogworking.... |
| 54 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
