| Used Operating Systems |
| 1 | 8356 | 28.10 | 3213 | 39.85 | Windows NT |
| 2 | 7303 | 24.56 | 115 | 1.43 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4013 | 13.50 | 136 | 1.69 | +http://yandex.com/bots |
| 4 | 3428 | 11.53 | 2798 | 34.71 | +http://www.baidu.com/search/spider.html |
| 5 | 1765 | 5.94 | 358 | 4.44 | +http://ahrefs.com/robot/ |
| 6 | 1762 | 5.93 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 7 | 513 | 1.73 | 220 | 2.73 | +http://www.google.com/bot.html |
| 8 | 459 | 1.54 | 318 | 3.94 | Windows 95 |
| 9 | 326 | 1.10 | 116 | 1.44 | +http://www.bing.com/bingbot.htm |
| 10 | 308 | 1.04 | 82 | 1.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 272 | 0.91 | 18 | 0.22 | Windows 98 |
| 12 | 166 | 0.56 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 13 | 140 | 0.47 | 83 | 1.03 | +http://www.xovibot.net/ |
| 14 | 91 | 0.31 | 72 | 0.89 | Windows 2000 |
| 15 | 79 | 0.27 | 58 | 0.72 | Windows ME |
| 16 | 78 | 0.26 | 64 | 0.79 | MSIE 5.5; Windows NT 5.0 |
| 17 | 77 | 0.26 | 68 | 0.84 | Windows CE |
| 18 | 74 | 0.25 | 61 | 0.76 | Windows 3.1 |
| 19 | 66 | 0.22 | 54 | 0.67 | Auto; Windows |
| 20 | 65 | 0.22 | 52 | 0.65 | MSIE 5.5; Windows NT 4.0 |
| 21 | 60 | 0.20 | 22 | 0.27 | http://www.opensiteexplorer.org/dotbot, ... |
| 22 | 60 | 0.20 | 53 | 0.66 | ) - BrowseX (2.0.0 Windows |
| 23 | 59 | 0.20 | 44 | 0.55 | +http://www.easou.com/search/spider.html |
| 24 | 54 | 0.18 | 1 | 0.01 | Windows XP |
| 25 | 35 | 0.12 | 5 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 26 | 31 | 0.10 | 12 | 0.15 | +http://www.exabot.com/go/robot |
| 27 | 22 | 0.07 | 4 | 0.05 | +http://fulltext.sblog.cz/ |
| 28 | 13 | 0.04 | 1 | 0.01 | crawler@mixrank.com |
| 29 | 8 | 0.03 | 4 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 30 | 7 | 0.02 | 3 | 0.04 | +http://www.linkdex.com/bots/ |
| 31 | 6 | 0.02 | 4 | 0.05 | +info@netcraft.com |
| 32 | 5 | 0.02 | 5 | 0.06 | +http://www.domaintuno.com/robot |
| 33 | 4 | 0.01 | 1 | 0.01 | +http://downloadmine.biz |
| 34 | 4 | 0.01 | 1 | 0.01 | +http://trumpetsheetmusic.org |
| 35 | 4 | 0.01 | 1 | 0.01 | +http://mercedes-w123.net |
| 36 | 4 | 0.01 | 1 | 0.01 | +http://medialine-it.com |
| 37 | 3 | 0.01 | 1 | 0.01 | +http://overx50.com |
| 38 | 3 | 0.01 | 1 | 0.01 | +http://isdownload.biz |
| 39 | 3 | 0.01 | 3 | 0.04 | +; |
| 40 | 2 | 0.01 | 2 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 41 | 2 | 0.01 | 2 | 0.02 | X11 |
| 42 | 1 | 0.00 | 1 | 0.01 | Unknown |
| 43 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
