| Used Operating Systems |
| 1 | 5726 | 63.35 | 3033 | 67.96 | Windows NT |
| 2 | 721 | 7.98 | 252 | 5.65 | +http://www.google.com/bot.html |
| 3 | 553 | 6.12 | 317 | 7.10 | +http://www.bing.com/bingbot.htm |
| 4 | 419 | 4.64 | 256 | 5.74 | +http://www.baidu.com/search/spider.html |
| 5 | 330 | 3.65 | 10 | 0.22 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 142 | 1.57 | 128 | 2.87 | Windows 95 |
| 7 | 129 | 1.43 | 31 | 0.69 | +http://yandex.com/bots |
| 8 | 101 | 1.12 | 7 | 0.16 | +http://fulltext.sblog.cz/ |
| 9 | 94 | 1.04 | 34 | 0.76 | Windows 98 |
| 10 | 62 | 0.69 | 33 | 0.74 | Linux i686 [unknown version] |
| 11 | 61 | 0.67 | 9 | 0.20 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 61 | 0.67 | 13 | 0.29 | +http://ahrefs.com/robot/ |
| 13 | 49 | 0.54 | 17 | 0.38 | Linux [unknown version] |
| 14 | 47 | 0.52 | 23 | 0.52 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 38 | 0.42 | 32 | 0.72 | Windows ME |
| 16 | 36 | 0.40 | 33 | 0.74 | MSIE 5.5; Windows NT 5.0 |
| 17 | 36 | 0.40 | 17 | 0.38 | +http://www.exabot.com/go/robot |
| 18 | 34 | 0.38 | 27 | 0.60 | Windows 3.1 |
| 19 | 30 | 0.33 | 27 | 0.60 | Auto; Windows |
| 20 | 29 | 0.32 | 25 | 0.56 | MSIE 5.5; Windows NT 4.0 |
| 21 | 28 | 0.31 | 27 | 0.60 | Windows 2000 |
| 22 | 27 | 0.30 | 4 | 0.09 | Windows XP |
| 23 | 26 | 0.29 | 24 | 0.54 | Windows CE |
| 24 | 24 | 0.27 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 25 | 24 | 0.27 | 2 | 0.04 | +https://www.lipperhey.com/en/about/ |
| 26 | 22 | 0.24 | 4 | 0.09 | +http://www.findxbot.com |
| 27 | 22 | 0.24 | 22 | 0.49 | ) - BrowseX (2.0.0 Windows |
| 28 | 20 | 0.22 | 9 | 0.20 | +http://www.xovibot.net/ |
| 29 | 18 | 0.20 | 9 | 0.20 | Win32 |
| 30 | 16 | 0.18 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 31 | 16 | 0.18 | 7 | 0.16 | Linux i586 [unknown version] |
| 32 | 14 | 0.15 | 6 | 0.13 | X11 |
| 33 | 13 | 0.14 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 34 | 10 | 0.11 | 1 | 0.02 | +http://advbot.org/bot.html |
| 35 | 9 | 0.10 | 1 | 0.02 | +http://www.linkpad.ru |
| 36 | 8 | 0.09 | 3 | 0.07 | +https://www.mojeek.com/bot.html |
| 37 | 8 | 0.09 | 4 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 38 | 6 | 0.07 | 2 | 0.04 | http://www.bing.com/bingbot.htm |
| 39 | 5 | 0.06 | 1 | 0.02 | +http://www.profound.net/domainappender |
| 40 | 4 | 0.04 | 1 | 0.02 | Android 2.3.5 |
| 41 | 4 | 0.04 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 42 | 4 | 0.04 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 43 | 4 | 0.04 | 4 | 0.09 | +http://domainsigma.com/robot |
| 44 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 45 | 2 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 46 | 2 | 0.02 | 1 | 0.02 | +http://duckduckgo.com |
| 47 | 1 | 0.01 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 48 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
