| Used Operating Systems |
| 1 | 11698 | 50.69 | 93 | 2.64 | http://mj12bot.com/ |
| 2 | 4056 | 17.58 | 23 | 0.65 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2103 | 9.11 | 691 | 19.64 | Windows NT |
| 4 | 1851 | 8.02 | 1717 | 48.81 | +http://www.baidu.com/search/spider.html |
| 5 | 1777 | 7.70 | 458 | 13.02 | +http://www.google.com/bot.html |
| 6 | 461 | 2.00 | 159 | 4.52 | +http://www.bing.com/bingbot.htm |
| 7 | 385 | 1.67 | 41 | 1.17 | +http://yandex.com/bots |
| 8 | 182 | 0.79 | 155 | 4.41 | +http://www.linkdex.com/bots/ |
| 9 | 144 | 0.62 | 16 | 0.45 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 64 | 0.28 | 23 | 0.65 | Windows XP |
| 11 | 55 | 0.24 | 22 | 0.63 | Windows 98 |
| 12 | 42 | 0.18 | 2 | 0.06 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 29 | 0.13 | 3 | 0.09 | +http://ahrefs.com/robot/ |
| 14 | 29 | 0.13 | 20 | 0.57 | Windows 95 |
| 15 | 26 | 0.11 | 13 | 0.37 | http://www.searchmetrics.com/en/searchme... |
| 16 | 26 | 0.11 | 2 | 0.06 | +http://www.semrush.com/bot.html |
| 17 | 25 | 0.11 | 8 | 0.23 | +http://www.proximic.com/info/spider.php |
| 18 | 17 | 0.07 | 8 | 0.23 | MSIE 5.5; Windows NT 4.0 |
| 19 | 10 | 0.04 | 5 | 0.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 10 | 0.04 | 6 | 0.17 | Windows 3.1 |
| 21 | 8 | 0.03 | 4 | 0.11 | Windows 2000 |
| 22 | 8 | 0.03 | 5 | 0.14 | Auto; Windows |
| 23 | 8 | 0.03 | 4 | 0.11 | +http://www.exabot.com/go/robot |
| 24 | 7 | 0.03 | 3 | 0.09 | Windows CE |
| 25 | 6 | 0.03 | 3 | 0.09 | +http://siteexplorer.info/Backlink-Check... |
| 26 | 6 | 0.03 | 3 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 27 | 6 | 0.03 | 3 | 0.09 | +http://www.seokicks.de/robot.html |
| 28 | 6 | 0.03 | 3 | 0.09 | +http://duckduckgo.com |
| 29 | 4 | 0.02 | 2 | 0.06 | Windows ME |
| 30 | 4 | 0.02 | 4 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 31 | 4 | 0.02 | 4 | 0.11 | Linux i686 [unknown version] |
| 32 | 4 | 0.02 | 3 | 0.09 | +info@netcraft.com |
| 33 | 3 | 0.01 | 3 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 34 | 2 | 0.01 | 1 | 0.03 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 35 | 2 | 0.01 | 2 | 0.06 | Intel Mac OS X |
| 36 | 2 | 0.01 | 2 | 0.06 | Android 2.3.5 |
| 37 | 1 | 0.00 | 1 | 0.03 | +http://glutenfreepleasure.com/ |
| 38 | 1 | 0.00 | 0 | 0.00 | Linux 2.0.x |
| 39 | 1 | 0.00 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 40 | 1 | 0.00 | 1 | 0.03 | Linux 2.4.x |
| 41 | 1 | 0.00 | 1 | 0.03 | X11 |
| 42 | 1 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
