| Used Operating Systems |
| 1 | 14767 | 45.87 | 5351 | 62.78 | Windows NT |
| 2 | 8697 | 27.01 | 129 | 1.51 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1843 | 5.72 | 951 | 11.16 | +http://www.xovibot.net/ |
| 4 | 1206 | 3.75 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 5 | 1006 | 3.12 | 2 | 0.02 | http://crawler.007ac9.net/ |
| 6 | 932 | 2.89 | 323 | 3.79 | +http://ahrefs.com/robot/ |
| 7 | 574 | 1.78 | 175 | 2.05 | +http://www.bing.com/bingbot.htm |
| 8 | 512 | 1.59 | 100 | 1.17 | +http://yandex.com/bots |
| 9 | 453 | 1.41 | 342 | 4.01 | Windows 95 |
| 10 | 303 | 0.94 | 48 | 0.56 | Windows 98 |
| 11 | 292 | 0.91 | 89 | 1.04 | +http://www.linkdex.com/bots/ |
| 12 | 225 | 0.70 | 176 | 2.06 | +http://www.baidu.com/search/spider.html |
| 13 | 213 | 0.66 | 106 | 1.24 | +http://www.google.com/bot.html |
| 14 | 185 | 0.57 | 93 | 1.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 82 | 0.25 | 70 | 0.82 | MSIE 5.5; Windows NT 5.0 |
| 16 | 80 | 0.25 | 35 | 0.41 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 72 | 0.22 | 61 | 0.72 | Windows ME |
| 18 | 69 | 0.21 | 63 | 0.74 | Windows CE |
| 19 | 69 | 0.21 | 63 | 0.74 | MSIE 5.5; Windows NT 4.0 |
| 20 | 66 | 0.21 | 3 | 0.04 | Windows XP |
| 21 | 65 | 0.20 | 59 | 0.69 | Windows 2000 |
| 22 | 62 | 0.19 | 52 | 0.61 | Windows 3.1 |
| 23 | 57 | 0.18 | 56 | 0.66 | ) - BrowseX (2.0.0 Windows |
| 24 | 57 | 0.18 | 19 | 0.22 | +http://www.profound.net/domainappender |
| 25 | 53 | 0.16 | 51 | 0.60 | Auto; Windows |
| 26 | 51 | 0.16 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 27 | 46 | 0.14 | 21 | 0.25 | +http://www.exabot.com/go/robot |
| 28 | 38 | 0.12 | 19 | 0.22 | +http://duckduckgo.com |
| 29 | 20 | 0.06 | 20 | 0.23 | Linux i686 [unknown version] |
| 30 | 19 | 0.06 | 4 | 0.05 | X11 |
| 31 | 17 | 0.05 | 7 | 0.08 | Android 2.3.5 |
| 32 | 14 | 0.04 | 7 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 13 | 0.04 | 1 | 0.01 | Windows 92 |
| 34 | 9 | 0.03 | 8 | 0.09 | Linux [unknown version] |
| 35 | 9 | 0.03 | 2 | 0.02 | WinHttp.WinHttpRequest.5 |
| 36 | 7 | 0.02 | 7 | 0.08 | +http://domainsigma.com/robot |
| 37 | 2 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 38 | 2 | 0.01 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 39 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 40 | 2 | 0.01 | 2 | 0.02 | Linux i586 [unknown version] |
| 41 | 1 | 0.00 | 1 | 0.01 | Solaris 2.6.x |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://www.seograph.net/bot.html |
| 43 | 1 | 0.00 | 1 | 0.01 | Android |
| 44 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
