| Used Operating Systems |
| 1 | 4845 | 43.61 | 1743 | 39.71 | Windows NT |
| 2 | 1892 | 17.03 | 1747 | 39.80 | +http://www.baidu.com/search/spider.html |
| 3 | 1746 | 15.72 | 334 | 7.61 | +http://www.google.com/bot.html |
| 4 | 1304 | 11.74 | 280 | 6.38 | +http://www.bing.com/bingbot.htm |
| 5 | 571 | 5.14 | 54 | 1.23 | +http://yandex.com/bots |
| 6 | 130 | 1.17 | 2 | 0.05 | +http://endb-consolidated.aihit.com/ |
| 7 | 128 | 1.15 | 53 | 1.21 | help@moz.com |
| 8 | 103 | 0.93 | 47 | 1.07 | +http://www.easou.com/search/spider.html |
| 9 | 94 | 0.85 | 24 | 0.55 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 61 | 0.55 | 1 | 0.02 | J2ME/MIDP |
| 11 | 27 | 0.24 | 4 | 0.09 | +http://www.seoprofiler.com/bot |
| 12 | 23 | 0.21 | 11 | 0.25 | +http://www.exabot.com/go/robot |
| 13 | 21 | 0.19 | 10 | 0.23 | X11 |
| 14 | 15 | 0.14 | 4 | 0.09 | Windows 98 |
| 15 | 12 | 0.11 | 4 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 12 | 0.11 | 8 | 0.18 | http://crawler.sistrix.net/ |
| 17 | 12 | 0.11 | 6 | 0.14 | ezooms.bot@gmail.com |
| 18 | 10 | 0.09 | 9 | 0.21 | Windows 95 |
| 19 | 10 | 0.09 | 3 | 0.07 | Android 2.3.5 |
| 20 | 8 | 0.07 | 7 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 21 | 8 | 0.07 | 2 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 22 | 7 | 0.06 | 0 | 0.00 | Win32 |
| 23 | 7 | 0.06 | 0 | 0.00 | Macintosh PPC |
| 24 | 7 | 0.06 | 2 | 0.05 | +info@netcraft.com |
| 25 | 7 | 0.06 | 6 | 0.14 | +http://www.semrush.com/bot.html |
| 26 | 5 | 0.05 | 0 | 0.00 | Windows XP |
| 27 | 4 | 0.04 | 4 | 0.09 | Windows CE |
| 28 | 4 | 0.04 | 2 | 0.05 | Intel Mac OS X |
| 29 | 4 | 0.04 | 3 | 0.07 | Auto; Windows |
| 30 | 4 | 0.04 | 1 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 31 | 4 | 0.04 | 2 | 0.05 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 32 | 4 | 0.04 | 1 | 0.02 | +http://siteexplorer.info/ |
| 33 | 3 | 0.03 | 2 | 0.05 | Windows 2000 |
| 34 | 3 | 0.03 | 0 | 0.00 | Linux 2.4.x |
| 35 | 3 | 0.03 | 3 | 0.07 | Linux [unknown version] |
| 36 | 3 | 0.03 | 3 | 0.07 | Linux i686 [unknown version] |
| 37 | 3 | 0.03 | 3 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 38 | 2 | 0.02 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 39 | 1 | 0.01 | 1 | 0.02 | Windows |
| 40 | 1 | 0.01 | 1 | 0.02 | Windows ME |
| 41 | 1 | 0.01 | 1 | 0.02 | Windows 3.1 |
