| Used Operating Systems |
| 1 | 6347 | 61.54 | 2063 | 45.94 | Windows NT |
| 2 | 1601 | 15.52 | 1437 | 32.00 | +http://www.baidu.com/search/spider.html |
| 3 | 643 | 6.23 | 203 | 4.52 | +http://www.bing.com/bingbot.htm |
| 4 | 439 | 4.26 | 212 | 4.72 | +http://www.google.com/bot.html |
| 5 | 167 | 1.62 | 135 | 3.01 | Windows 95 |
| 6 | 154 | 1.49 | 58 | 1.29 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 130 | 1.26 | 34 | 0.76 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 93 | 0.90 | 26 | 0.58 | Windows XP |
| 9 | 90 | 0.87 | 32 | 0.71 | Windows 98 |
| 10 | 83 | 0.80 | 10 | 0.22 | +http://www.semrush.com/bot.html |
| 11 | 79 | 0.77 | 10 | 0.22 | +http://ahrefs.com/robot/ |
| 12 | 67 | 0.65 | 20 | 0.45 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 29 | 0.28 | 22 | 0.49 | Windows 3.1 |
| 14 | 29 | 0.28 | 14 | 0.31 | +http://yandex.com/bots |
| 15 | 28 | 0.27 | 27 | 0.60 | Windows CE |
| 16 | 28 | 0.27 | 25 | 0.56 | Windows 2000 |
| 17 | 28 | 0.27 | 21 | 0.47 | Windows ME |
| 18 | 26 | 0.25 | 6 | 0.13 | X11 |
| 19 | 25 | 0.24 | 21 | 0.47 | MSIE 5.5; Windows NT 5.0 |
| 20 | 24 | 0.23 | 9 | 0.20 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 21 | 0.20 | 10 | 0.22 | +http://help.coccoc.com/ |
| 22 | 20 | 0.19 | 18 | 0.40 | Auto; Windows |
| 23 | 20 | 0.19 | 16 | 0.36 | MSIE 5.5; Windows NT 4.0 |
| 24 | 20 | 0.19 | 10 | 0.22 | +http://duckduckgo.com |
| 25 | 18 | 0.17 | 7 | 0.16 | +http://fulltext.sblog.cz/ |
| 26 | 16 | 0.16 | 16 | 0.36 | ) - BrowseX (2.0.0 Windows |
| 27 | 16 | 0.16 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 28 | 12 | 0.12 | 1 | 0.02 | Android |
| 29 | 8 | 0.08 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 30 | 8 | 0.08 | 2 | 0.04 | +https://www.lipperhey.com/en/about/ |
| 31 | 7 | 0.07 | 3 | 0.07 | Android 2.3.5 |
| 32 | 6 | 0.06 | 2 | 0.04 | +http://megaindex.com/crawler |
| 33 | 6 | 0.06 | 3 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 34 | 5 | 0.05 | 4 | 0.09 | Linux [unknown version] |
| 35 | 5 | 0.05 | 1 | 0.02 | +http://www.exabot.com/go/robot |
| 36 | 4 | 0.04 | 2 | 0.04 | Linux i686 [unknown version] |
| 37 | 4 | 0.04 | 4 | 0.09 | +http://domainsigma.com/robot |
| 38 | 2 | 0.02 | 1 | 0.02 | +http://crawler.seolytics.net/ |
| 39 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 40 | 2 | 0.02 | 2 | 0.04 | Intel Mac OS X 10.6 |
| 41 | 1 | 0.01 | 1 | 0.02 | +http://www.xovibot.net/ |
