| Used Operating Systems |
| 1 | 5441 | 54.18 | 2105 | 43.84 | Windows NT |
| 2 | 2394 | 23.84 | 2223 | 46.29 | +http://www.baidu.com/search/spider.html |
| 3 | 886 | 8.82 | 178 | 3.71 | +http://www.google.com/bot.html |
| 4 | 312 | 3.11 | 39 | 0.81 | +http://yandex.com/bots |
| 5 | 200 | 1.99 | 5 | 0.10 | +http://www.seoprofiler.com/bot |
| 6 | 195 | 1.94 | 62 | 1.29 | help@moz.com |
| 7 | 180 | 1.79 | 63 | 1.31 | +http://www.bing.com/bingbot.htm |
| 8 | 119 | 1.19 | 36 | 0.75 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 64 | 0.64 | 2 | 0.04 | +http://endb-consolidated.aihit.com/ |
| 10 | 43 | 0.43 | 14 | 0.29 | ezooms.bot@gmail.com |
| 11 | 40 | 0.40 | 8 | 0.17 | X11 |
| 12 | 32 | 0.32 | 17 | 0.35 | +http://www.exabot.com/go/robot |
| 13 | 16 | 0.16 | 4 | 0.08 | +http://www.yunyun.com/spider.html |
| 14 | 12 | 0.12 | 3 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 12 | 0.12 | 3 | 0.06 | +http://filterdb.iss.net/crawler/ |
| 16 | 11 | 0.11 | 0 | 0.00 | Win32 |
| 17 | 11 | 0.11 | 10 | 0.21 | Windows 95 |
| 18 | 10 | 0.10 | 2 | 0.04 | Android 2.3.5 |
| 19 | 8 | 0.08 | 3 | 0.06 | Windows 98 |
| 20 | 6 | 0.06 | 0 | 0.00 | Linux 2.4.x |
| 21 | 4 | 0.04 | 0 | 0.00 | Macintosh PPC |
| 22 | 4 | 0.04 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 23 | 4 | 0.04 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 24 | 4 | 0.04 | 1 | 0.02 | +info@netcraft.com |
| 25 | 4 | 0.04 | 4 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 26 | 4 | 0.04 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 3 | 0.03 | 3 | 0.06 | Auto; Windows |
| 28 | 3 | 0.03 | 1 | 0.02 | Linux [unknown version] |
| 29 | 3 | 0.03 | 3 | 0.06 | Windows 3.1 |
| 30 | 2 | 0.02 | 2 | 0.04 | Windows CE |
| 31 | 2 | 0.02 | 2 | 0.04 | Windows 2000 |
| 32 | 2 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 33 | 2 | 0.02 | 1 | 0.02 | crawler@unister.de |
| 34 | 2 | 0.02 | 1 | 0.02 | Windows ME |
| 35 | 2 | 0.02 | 2 | 0.04 | Linux i686 [unknown version] |
| 36 | 2 | 0.02 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 37 | 1 | 0.01 | 1 | 0.02 | Windows XP |
| 38 | 1 | 0.01 | 1 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 39 | 1 | 0.01 | 0 | 0.00 | +http://www.yunyun.com/SiteInfo.php?r=ab... |
