| Used Operating Systems |
| 1 | 32136 | 72.40 | 322 | 5.72 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4217 | 9.50 | 1728 | 30.72 | Windows NT |
| 3 | 3892 | 8.77 | 2692 | 47.86 | +http://www.baidu.com/search/spider.html |
| 4 | 1018 | 2.29 | 8 | 0.14 | +http://www.warebay.com/bot.html |
| 5 | 591 | 1.33 | 193 | 3.43 | +http://www.bing.com/bingbot.htm |
| 6 | 499 | 1.12 | 38 | 0.68 | +http://OpenLinkProfiler.org/bot |
| 7 | 449 | 1.01 | 101 | 1.80 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 442 | 1.00 | 144 | 2.56 | +http://ahrefs.com/robot/ |
| 9 | 400 | 0.90 | 83 | 1.48 | +http://www.linkdex.com/bots/ |
| 10 | 309 | 0.70 | 133 | 2.36 | +http://www.google.com/bot.html |
| 11 | 97 | 0.22 | 25 | 0.44 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 75 | 0.17 | 27 | 0.48 | +http://www.exabot.com/go/robot |
| 13 | 64 | 0.14 | 16 | 0.28 | +http://yandex.com/bots |
| 14 | 44 | 0.10 | 15 | 0.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 37 | 0.08 | 26 | 0.46 | Windows 95 |
| 16 | 16 | 0.04 | 8 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 10 | 0.02 | 10 | 0.18 | actually this is http://ismyblogworking.... |
| 18 | 10 | 0.02 | 3 | 0.05 | Windows 98 |
| 19 | 8 | 0.02 | 7 | 0.12 | +info@netcraft.com |
| 20 | 7 | 0.02 | 6 | 0.11 | Windows CE |
| 21 | 7 | 0.02 | 7 | 0.12 | Windows 3.1 |
| 22 | 6 | 0.01 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 23 | 6 | 0.01 | 5 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 24 | 6 | 0.01 | 6 | 0.11 | +http://domainsigma.com/robot |
| 25 | 5 | 0.01 | 4 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 26 | 5 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 27 | 4 | 0.01 | 4 | 0.07 | Windows 2000 |
| 28 | 4 | 0.01 | 1 | 0.02 | X11 |
| 29 | 4 | 0.01 | 4 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 30 | 3 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 31 | 3 | 0.01 | 2 | 0.04 | Windows ME |
| 32 | 2 | 0.00 | 1 | 0.02 | PPC Mac OS X Mach-O |
| 33 | 2 | 0.00 | 2 | 0.04 | +https://www.lipperhey.com/en/about/ |
| 34 | 2 | 0.00 | 1 | 0.02 | +http://megaindex.com/crawler |
| 35 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
| 36 | 1 | 0.00 | 0 | 0.00 | Windows XP |
| 37 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 38 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
