| Used Operating Systems |
| 1 | 38155 | 41.98 | 288 | 1.26 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 21872 | 24.07 | 5914 | 25.97 | Windows NT |
| 3 | 16074 | 17.69 | 13753 | 60.39 | +http://www.baidu.com/search/spider.html |
| 4 | 3792 | 4.17 | 86 | 0.38 | +http://OpenLinkProfiler.org/bot |
| 5 | 3009 | 3.31 | 3 | 0.01 | http://crawler.007ac9.net/ |
| 6 | 2196 | 2.42 | 1128 | 4.95 | +http://www.google.com/bot.html |
| 7 | 2003 | 2.20 | 5 | 0.02 | +https://www.megaindex.ru/?tab=linkAnaly... |
| 8 | 1107 | 1.22 | 252 | 1.11 | +http://yandex.com/bots |
| 9 | 360 | 0.40 | 103 | 0.45 | +http://www.linkdex.com/bots/ |
| 10 | 306 | 0.34 | 252 | 1.11 | Windows 95 |
| 11 | 284 | 0.31 | 92 | 0.40 | +http://www.bing.com/bingbot.htm |
| 12 | 240 | 0.26 | 43 | 0.19 | Windows 98 |
| 13 | 232 | 0.26 | 131 | 0.58 | +http://ahrefs.com/robot/ |
| 14 | 191 | 0.21 | 77 | 0.34 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 123 | 0.14 | 24 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 123 | 0.14 | 41 | 0.18 | +http://www.profound.net/domainappender |
| 17 | 87 | 0.10 | 71 | 0.31 | Windows 3.1 |
| 18 | 78 | 0.09 | 67 | 0.29 | Windows ME |
| 19 | 66 | 0.07 | 60 | 0.26 | Windows CE |
| 20 | 63 | 0.07 | 57 | 0.25 | MSIE 5.5; Windows NT 4.0 |
| 21 | 62 | 0.07 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 22 | 60 | 0.07 | 55 | 0.24 | MSIE 5.5; Windows NT 5.0 |
| 23 | 59 | 0.06 | 53 | 0.23 | Auto; Windows |
| 24 | 58 | 0.06 | 0 | 0.00 | Windows XP |
| 25 | 55 | 0.06 | 55 | 0.24 | Windows 2000 |
| 26 | 50 | 0.06 | 50 | 0.22 | ) - BrowseX (2.0.0 Windows |
| 27 | 46 | 0.05 | 23 | 0.10 | +http://help.coccoc.com/ |
| 28 | 31 | 0.03 | 15 | 0.07 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 29 | 20 | 0.02 | 20 | 0.09 | Linux i686 [unknown version] |
| 30 | 20 | 0.02 | 10 | 0.04 | +http://www.exabot.com/go/robot |
| 31 | 13 | 0.01 | 13 | 0.06 | Linux [unknown version] |
| 32 | 9 | 0.01 | 9 | 0.04 | Linux i586 [unknown version] |
| 33 | 8 | 0.01 | 5 | 0.02 | X11 |
| 34 | 8 | 0.01 | 4 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 6 | 0.01 | 6 | 0.03 | +http://domainsigma.com/robot |
| 36 | 3 | 0.00 | 0 | 0.00 | http://www.bing.com/bingbot.htm |
| 37 | 3 | 0.00 | 3 | 0.01 | Android 2.3.5 |
| 38 | 2 | 0.00 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 39 | 2 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 40 | 1 | 0.00 | 0 | 0.00 | +http://www.seograph.net/bot.html |
| 41 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.5 |
| 42 | 1 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 43 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
