| Used Operating Systems |
| 1 | 15967 | 44.82 | 4814 | 60.42 | Windows NT |
| 2 | 11309 | 31.75 | 182 | 2.28 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2404 | 6.75 | 4 | 0.05 | +http://www.seoprofiler.com/bot |
| 4 | 1817 | 5.10 | 1773 | 22.25 | +http://www.baidu.com/search/spider.html |
| 5 | 1407 | 3.95 | 301 | 3.78 | help@moz.com |
| 6 | 1122 | 3.15 | 425 | 5.33 | +http://www.google.com/bot.html |
| 7 | 616 | 1.73 | 69 | 0.87 | +http://yandex.com/bots |
| 8 | 318 | 0.89 | 131 | 1.64 | +http://www.bing.com/bingbot.htm |
| 9 | 183 | 0.51 | 69 | 0.87 | +http://www.linkdex.com/about/bots/ |
| 10 | 94 | 0.26 | 9 | 0.11 | X11 |
| 11 | 49 | 0.14 | 3 | 0.04 | Android 2.3.5 |
| 12 | 49 | 0.14 | 16 | 0.20 | +http://www.exabot.com/go/robot |
| 13 | 46 | 0.13 | 28 | 0.35 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 44 | 0.12 | 44 | 0.55 | Windows 95 |
| 15 | 39 | 0.11 | 3 | 0.04 | http://crawler.sistrix.net/ |
| 16 | 35 | 0.10 | 17 | 0.21 | Windows 98 |
| 17 | 20 | 0.06 | 2 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 19 | 0.05 | 15 | 0.19 | MSIE 5.5; Windows NT 5.0 |
| 19 | 11 | 0.03 | 11 | 0.14 | Auto; Windows |
| 20 | 10 | 0.03 | 10 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 21 | 8 | 0.02 | 8 | 0.10 | Windows CE |
| 22 | 8 | 0.02 | 5 | 0.06 | Windows XP |
| 23 | 8 | 0.02 | 8 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 24 | 6 | 0.02 | 6 | 0.08 | Windows 2000 |
| 25 | 6 | 0.02 | 6 | 0.08 | Windows ME |
| 26 | 5 | 0.01 | 0 | 0.00 | Win32 |
| 27 | 5 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 28 | 5 | 0.01 | 5 | 0.06 | Windows 3.1 |
| 29 | 3 | 0.01 | 1 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 30 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 31 | 3 | 0.01 | 1 | 0.01 | +http://www.semrush.com/bot.html |
| 32 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 33 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 34 | 1 | 0.00 | 1 | 0.01 | Trident 4.0; Windows NT 5.0; ZangoToolba... |
