| Used Operating Systems |
| 1 | 8258 | 43.15 | 3275 | 53.99 | Windows NT |
| 2 | 5359 | 28.00 | 90 | 1.48 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1103 | 5.76 | 857 | 14.13 | +http://www.baidu.com/search/spider.html |
| 4 | 641 | 3.35 | 5 | 0.08 | +http://www.warebay.com/bot.html |
| 5 | 524 | 2.74 | 170 | 2.80 | +http://www.bing.com/bingbot.htm |
| 6 | 506 | 2.64 | 215 | 3.54 | +http://ahrefs.com/robot/ |
| 7 | 474 | 2.48 | 180 | 2.97 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 448 | 2.34 | 251 | 4.14 | +http://www.google.com/bot.html |
| 9 | 400 | 2.09 | 304 | 5.01 | Windows 95 |
| 10 | 269 | 1.41 | 41 | 0.68 | Windows 98 |
| 11 | 180 | 0.94 | 77 | 1.27 | +http://yandex.com/bots |
| 12 | 145 | 0.76 | 50 | 0.82 | +http://www.linkdex.com/bots/ |
| 13 | 76 | 0.40 | 65 | 1.07 | Auto; Windows |
| 14 | 75 | 0.39 | 61 | 1.01 | Windows CE |
| 15 | 72 | 0.38 | 58 | 0.96 | Windows 3.1 |
| 16 | 71 | 0.37 | 2 | 0.03 | Windows XP |
| 17 | 66 | 0.34 | 54 | 0.89 | ) - BrowseX (2.0.0 Windows |
| 18 | 63 | 0.33 | 54 | 0.89 | Windows 2000 |
| 19 | 62 | 0.32 | 51 | 0.84 | Windows ME |
| 20 | 62 | 0.32 | 53 | 0.87 | MSIE 5.5; Windows NT 4.0 |
| 21 | 59 | 0.31 | 50 | 0.82 | MSIE 5.5; Windows NT 5.0 |
| 22 | 35 | 0.18 | 5 | 0.08 | +http://webmeup-crawler.com/ |
| 23 | 21 | 0.11 | 21 | 0.35 | Linux i686 [unknown version] |
| 24 | 20 | 0.10 | 5 | 0.08 | +http://www.profound.net/domainappender |
| 25 | 19 | 0.10 | 10 | 0.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 26 | 14 | 0.07 | 7 | 0.12 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 13 | 0.07 | 3 | 0.05 | +http://fulltext.sblog.cz/ |
| 28 | 12 | 0.06 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 29 | 12 | 0.06 | 2 | 0.03 | http://crawler.007ac9.net/ |
| 30 | 11 | 0.06 | 8 | 0.13 | Linux [unknown version] |
| 31 | 11 | 0.06 | 6 | 0.10 | +http://www.exabot.com/go/robot |
| 32 | 10 | 0.05 | 10 | 0.16 | Linux i586 [unknown version] |
| 33 | 10 | 0.05 | 5 | 0.08 | +http://duckduckgo.com |
| 34 | 8 | 0.04 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 35 | 4 | 0.02 | 4 | 0.07 | +http://www.domaintuno.com/robot |
| 36 | 4 | 0.02 | 3 | 0.05 | +info@netcraft.com |
| 37 | 4 | 0.02 | 1 | 0.02 | +http://www.findxbot.com |
| 38 | 3 | 0.02 | 2 | 0.03 | http://www.bing.com/bingbot.htm |
| 39 | 2 | 0.01 | 1 | 0.02 | +http://help.coccoc.com/ |
| 40 | 2 | 0.01 | 2 | 0.03 | +https://www.domaintuno.com/robot |
| 41 | 2 | 0.01 | 2 | 0.03 | X11 |
| 42 | 2 | 0.01 | 0 | 0.00 | Win32; Trident/7.0 |
| 43 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 44 | 1 | 0.01 | 1 | 0.02 | Android |
| 45 | 1 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 46 | 1 | 0.01 | 1 | 0.02 | +http://gimme60.com |
