| Used Operating Systems |
| 1 | 38449 | 31.56 | 28857 | 57.67 | +http://ahrefs.com/robot/ |
| 2 | 23531 | 19.31 | 16474 | 32.92 | +http://www.baidu.com/search/spider.html |
| 3 | 20162 | 16.55 | 163 | 0.33 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 13856 | 11.37 | 1995 | 3.99 | Windows NT |
| 5 | 7479 | 6.14 | 20 | 0.04 | +http://www.warebay.com/bot.html |
| 6 | 6636 | 5.45 | 1 | 0.00 | +http://megaindex.com/crawler |
| 7 | 2998 | 2.46 | 523 | 1.05 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 2392 | 1.96 | 996 | 1.99 | +http://www.google.com/bot.html |
| 9 | 2002 | 1.64 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 10 | 1903 | 1.56 | 268 | 0.54 | +http://yandex.com/bots |
| 11 | 1075 | 0.88 | 262 | 0.52 | +http://www.bing.com/bingbot.htm |
| 12 | 415 | 0.34 | 116 | 0.23 | +http://www.linkdex.com/bots/ |
| 13 | 127 | 0.10 | 30 | 0.06 | Windows 95 |
| 14 | 126 | 0.10 | 49 | 0.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 116 | 0.10 | 111 | 0.22 | +http://www.xovibot.net/ |
| 16 | 74 | 0.06 | 12 | 0.02 | Windows 2000 |
| 17 | 74 | 0.06 | 0 | 0.00 | Windows 98 |
| 18 | 63 | 0.05 | 21 | 0.04 | +http://www.profound.net/domainappender |
| 19 | 55 | 0.05 | 12 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 20 | 42 | 0.03 | 34 | 0.07 | apps-spreadsheets; +http://docs.google.c... |
| 21 | 42 | 0.03 | 10 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 22 | 40 | 0.03 | 6 | 0.01 | Windows 3.1 |
| 23 | 31 | 0.03 | 18 | 0.04 | http://www.bing.com/bingbot.htm |
| 24 | 24 | 0.02 | 10 | 0.02 | +http://help.coccoc.com/ |
| 25 | 22 | 0.02 | 6 | 0.01 | Windows CE |
| 26 | 19 | 0.02 | 1 | 0.00 | Windows XP |
| 27 | 13 | 0.01 | 11 | 0.02 | +http://www.uptime.com/uptimebot |
| 28 | 12 | 0.01 | 4 | 0.01 | X11 |
| 29 | 12 | 0.01 | 7 | 0.01 | +http://www.exabot.com/go/robot |
| 30 | 11 | 0.01 | 10 | 0.02 | +info@netcraft.com |
| 31 | 10 | 0.01 | 3 | 0.01 | Windows ME |
| 32 | 9 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 33 | 5 | 0.00 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 34 | 3 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 35 | 3 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 36 | 3 | 0.00 | 1 | 0.00 | +http://prlog.ru/ |
| 37 | 2 | 0.00 | 2 | 0.00 | Auto; Windows |
| 38 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 39 | 1 | 0.00 | 1 | 0.00 | +http://www.privacyaware.org |
| 40 | 1 | 0.00 | 1 | 0.00 | +http://www.parsijoo.ir/; crawler@parsij... |
| 41 | 1 | 0.00 | 1 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 42 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 43 | 1 | 0.00 | 1 | 0.00 | Linux i686 [unknown version] |
