| Used Operating Systems |
| 1 | 19262 | 47.64 | 2051 | 40.67 | Windows NT |
| 2 | 10093 | 24.96 | 123 | 2.44 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 6044 | 14.95 | 467 | 9.26 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 2239 | 5.54 | 1783 | 35.36 | +http://www.baidu.com/search/spider.html |
| 5 | 1009 | 2.50 | 133 | 2.64 | +http://www.bing.com/bingbot.htm |
| 6 | 769 | 1.90 | 276 | 5.47 | +http://www.google.com/bot.html |
| 7 | 320 | 0.79 | 6 | 0.12 | +http://yandex.com/bots |
| 8 | 290 | 0.72 | 84 | 1.67 | +http://www.linkdex.com/bots/ |
| 9 | 124 | 0.31 | 15 | 0.30 | +http://www.semrush.com/bot.html |
| 10 | 77 | 0.19 | 9 | 0.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 27 | 0.07 | 25 | 0.50 | Windows 95 |
| 12 | 24 | 0.06 | 2 | 0.04 | +http://fulltext.sblog.cz/ |
| 13 | 22 | 0.05 | 12 | 0.24 | +http://duckduckgo.com |
| 14 | 20 | 0.05 | 7 | 0.14 | +http://ahrefs.com/robot/ |
| 15 | 15 | 0.04 | 5 | 0.10 | +http://megaindex.com/crawler |
| 16 | 10 | 0.02 | 2 | 0.04 | +http://www.warebay.com/bot.html |
| 17 | 9 | 0.02 | 7 | 0.14 | Windows 98 |
| 18 | 6 | 0.01 | 5 | 0.10 | http://nmap.org/book/nse.html |
| 19 | 6 | 0.01 | 1 | 0.02 | Windows Phone OS 7.5 |
| 20 | 6 | 0.01 | 4 | 0.08 | Linux i686 [unknown version] |
| 21 | 6 | 0.01 | 2 | 0.04 | +http://www.exabot.com/go/robot |
| 22 | 5 | 0.01 | 5 | 0.10 | Windows CE |
| 23 | 5 | 0.01 | 0 | 0.00 | +http://www.netseer.com/crawler.html; cr... |
| 24 | 4 | 0.01 | 0 | 0.00 | support.orangebot@orange.com |
| 25 | 4 | 0.01 | 4 | 0.08 | Windows 2000 |
| 26 | 4 | 0.01 | 0 | 0.00 | Android |
| 27 | 4 | 0.01 | 0 | 0.00 | Windows 92 |
| 28 | 4 | 0.01 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 29 | 4 | 0.01 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 30 | 4 | 0.01 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 31 | 3 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 32 | 2 | 0.00 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 33 | 2 | 0.00 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 34 | 2 | 0.00 | 2 | 0.04 | Windows 3.1 |
| 35 | 2 | 0.00 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 36 | 2 | 0.00 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 37 | 2 | 0.00 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 38 | 1 | 0.00 | 0 | 0.00 | not on Windows server; |
| 39 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
| 40 | 1 | 0.00 | 1 | 0.02 | Windows XP |
