| Used Operating Systems |
| 1 | 11435 | 49.85 | 4108 | 59.42 | Windows NT |
| 2 | 3173 | 13.83 | 253 | 3.66 | help@moz.com |
| 3 | 1863 | 8.12 | 160 | 2.31 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1736 | 7.57 | 1522 | 22.01 | +http://www.baidu.com/search/spider.html |
| 5 | 1359 | 5.92 | 41 | 0.59 | Windows 98 |
| 6 | 1269 | 5.53 | 47 | 0.68 | +http://yandex.com/bots |
| 7 | 1046 | 4.56 | 385 | 5.57 | +http://www.google.com/bot.html |
| 8 | 530 | 2.31 | 70 | 1.01 | +http://www.bing.com/bingbot.htm |
| 9 | 105 | 0.46 | 97 | 1.40 | +http://www.linkdex.com/about/bots/ |
| 10 | 62 | 0.27 | 20 | 0.29 | X11 |
| 11 | 51 | 0.22 | 44 | 0.64 | Windows 95 |
| 12 | 40 | 0.17 | 20 | 0.29 | +http://help.coccoc.com/ |
| 13 | 33 | 0.14 | 13 | 0.19 | Android 2.3.5 |
| 14 | 31 | 0.14 | 12 | 0.17 | +http://www.easou.com/search/spider.html |
| 15 | 19 | 0.08 | 15 | 0.22 | MSIE 5.5; Windows NT 5.0 |
| 16 | 14 | 0.06 | 7 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 14 | 0.06 | 7 | 0.10 | +http://www.career-x.de/bot.html |
| 18 | 14 | 0.06 | 6 | 0.09 | +http://www.exabot.com/go/robot |
| 19 | 12 | 0.05 | 6 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 11 | 0.05 | 0 | 0.00 | Win32 |
| 21 | 11 | 0.05 | 9 | 0.13 | Windows ME |
| 22 | 11 | 0.05 | 11 | 0.16 | ) - BrowseX (2.0.0 Windows |
| 23 | 10 | 0.04 | 10 | 0.14 | Auto; Windows |
| 24 | 10 | 0.04 | 10 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 25 | 8 | 0.03 | 4 | 0.06 | http://crawler.sistrix.net/ |
| 26 | 8 | 0.03 | 4 | 0.06 | +http://fulltext.sblog.cz/ |
| 27 | 7 | 0.03 | 7 | 0.10 | Windows CE |
| 28 | 7 | 0.03 | 7 | 0.10 | Windows 2000 |
| 29 | 7 | 0.03 | 7 | 0.10 | Windows 3.1 |
| 30 | 6 | 0.03 | 3 | 0.04 | Windows XP |
| 31 | 6 | 0.03 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 32 | 4 | 0.02 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 33 | 4 | 0.02 | 1 | 0.01 | +http://www.semrush.com/bot.html |
| 34 | 3 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 35 | 3 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 36 | 3 | 0.01 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 37 | 2 | 0.01 | 1 | 0.01 | +http://www.linkpad.ru |
| 38 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 39 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 40 | 2 | 0.01 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 41 | 2 | 0.01 | 1 | 0.01 | +http://siteexplorer.info/ |
| 42 | 1 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows 95 |
| 43 | 1 | 0.00 | 0 | 0.00 | +http://vk.com/dev/Share |
| 44 | 1 | 0.00 | 1 | 0.01 | http://www.youdao.com/help/webmaster/spi... |
