| Used Operating Systems |
| 1 | 13446 | 52.73 | 116 | 2.10 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8035 | 31.51 | 3431 | 62.22 | Windows NT |
| 3 | 548 | 2.15 | 123 | 2.23 | +http://www.bing.com/bingbot.htm |
| 4 | 506 | 1.98 | 421 | 7.64 | +http://www.baidu.com/search/spider.html |
| 5 | 479 | 1.88 | 367 | 6.66 | Windows 95 |
| 6 | 430 | 1.69 | 71 | 1.29 | +http://yandex.com/bots |
| 7 | 304 | 1.19 | 53 | 0.96 | Windows 98 |
| 8 | 248 | 0.97 | 115 | 2.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 225 | 0.88 | 101 | 1.83 | +http://www.google.com/bot.html |
| 10 | 142 | 0.56 | 40 | 0.73 | +http://www.linkdex.com/bots/ |
| 11 | 105 | 0.41 | 36 | 0.65 | +http://www.exabot.com/go/robot |
| 12 | 104 | 0.41 | 77 | 1.40 | +http://ahrefs.com/robot/ |
| 13 | 90 | 0.35 | 14 | 0.25 | Windows XP |
| 14 | 86 | 0.34 | 72 | 1.31 | MSIE 5.5; Windows NT 4.0 |
| 15 | 77 | 0.30 | 67 | 1.22 | Windows ME |
| 16 | 74 | 0.29 | 65 | 1.18 | Windows 2000 |
| 17 | 73 | 0.29 | 33 | 0.60 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 70 | 0.27 | 63 | 1.14 | Windows CE |
| 19 | 69 | 0.27 | 52 | 0.94 | Windows 3.1 |
| 20 | 66 | 0.26 | 60 | 1.09 | MSIE 5.5; Windows NT 5.0 |
| 21 | 53 | 0.21 | 48 | 0.87 | ) - BrowseX (2.0.0 Windows |
| 22 | 45 | 0.18 | 40 | 0.73 | Auto; Windows |
| 23 | 35 | 0.14 | 2 | 0.04 | http://crawler.007ac9.net/ |
| 24 | 30 | 0.12 | 1 | 0.02 | Linux i586 [unknown version] |
| 25 | 27 | 0.11 | 3 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 26 | 20 | 0.08 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 27 | 16 | 0.06 | 8 | 0.15 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 15 | 0.06 | 2 | 0.04 | +http://www.findxbot.com |
| 29 | 14 | 0.05 | 7 | 0.13 | +http://duckduckgo.com |
| 30 | 9 | 0.04 | 2 | 0.04 | +http://www.warebay.com/bot.html |
| 31 | 9 | 0.04 | 3 | 0.05 | http://www.searchmetrics.com/en/searchme... |
| 32 | 9 | 0.04 | 3 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 33 | 8 | 0.03 | 1 | 0.02 | Android |
| 34 | 8 | 0.03 | 3 | 0.05 | +http://fulltext.sblog.cz/ |
| 35 | 6 | 0.02 | 6 | 0.11 | +http://domainsigma.com/robot |
| 36 | 2 | 0.01 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 37 | 2 | 0.01 | 0 | 0.00 | +http://help.coccoc.com/ |
| 38 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 39 | 2 | 0.01 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 40 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 41 | 1 | 0.00 | 1 | 0.02 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 42 | 1 | 0.00 | 1 | 0.02 | +http://www.seograph.net/bot.html |
| 43 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 44 | 1 | 0.00 | 0 | 0.00 | Windows Phone OS 7.5 |
| 45 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 46 | 1 | 0.00 | 0 | 0.00 | http://drive.google.com |
| 47 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 48 | 1 | 0.00 | 1 | 0.02 | Macintosh |
| 49 | 1 | 0.00 | 1 | 0.02 | X11 |
| 50 | 1 | 0.00 | 1 | 0.02 | +http://www.xovibot.net/ |
