| Used Operating Systems |
| 1 | 12615 | 58.19 | 4852 | 65.63 | Windows NT |
| 2 | 2153 | 9.93 | 58 | 0.78 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1800 | 8.30 | 3 | 0.04 | +http://www.seoprofiler.com/bot |
| 4 | 1570 | 7.24 | 1533 | 20.74 | +http://www.baidu.com/search/spider.html |
| 5 | 1177 | 5.43 | 253 | 3.42 | help@moz.com |
| 6 | 610 | 2.81 | 154 | 2.08 | +http://www.google.com/bot.html |
| 7 | 546 | 2.52 | 70 | 0.95 | +http://yandex.com/bots |
| 8 | 328 | 1.51 | 152 | 2.06 | +http://www.bing.com/bingbot.htm |
| 9 | 254 | 1.17 | 53 | 0.72 | ezooms.bot@gmail.com |
| 10 | 183 | 0.84 | 66 | 0.89 | +http://www.linkdex.com/about/bots/ |
| 11 | 83 | 0.38 | 60 | 0.81 | Windows 95 |
| 12 | 64 | 0.30 | 15 | 0.20 | X11 |
| 13 | 43 | 0.20 | 12 | 0.16 | Windows 98 |
| 14 | 36 | 0.17 | 15 | 0.20 | +http://www.exabot.com/go/robot |
| 15 | 32 | 0.15 | 7 | 0.09 | Android 2.3.5 |
| 16 | 26 | 0.12 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 17 | 22 | 0.10 | 2 | 0.03 | Linux i686 [unknown version] |
| 18 | 19 | 0.09 | 18 | 0.24 | Windows 2000 |
| 19 | 16 | 0.07 | 3 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 14 | 0.06 | 2 | 0.03 | Windows XP |
| 21 | 12 | 0.06 | 12 | 0.16 | Windows 3.1 |
| 22 | 12 | 0.06 | 11 | 0.15 | MSIE 5.5; Windows NT 4.0 |
| 23 | 11 | 0.05 | 11 | 0.15 | Windows CE |
| 24 | 10 | 0.05 | 7 | 0.09 | Windows ME |
| 25 | 10 | 0.05 | 8 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 26 | 9 | 0.04 | 4 | 0.05 | +http://www.semrush.com/bot.html |
| 27 | 5 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 28 | 4 | 0.02 | 4 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 29 | 4 | 0.02 | 4 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 30 | 3 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 31 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 32 | 2 | 0.01 | 1 | 0.01 | +http://siteexplorer.info/ |
| 33 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 34 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 35 | 1 | 0.00 | 0 | 0.00 | +info@netcraft.com |
