| Used Operating Systems |
| 1 | 2729 | 32.04 | 2007 | 76.14 | +http://www.baidu.com/search/spider.html |
| 2 | 1852 | 21.74 | 131 | 4.97 | Windows NT |
| 3 | 1044 | 12.26 | 170 | 6.45 | +http://www.bing.com/bingbot.htm |
| 4 | 1035 | 12.15 | 126 | 4.78 | +http://www.google.com/bot.html |
| 5 | 917 | 10.77 | 69 | 2.62 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 139 | 1.63 | 10 | 0.38 | +http://yandex.com/bots |
| 7 | 90 | 1.06 | 9 | 0.34 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 76 | 0.89 | 24 | 0.91 | +http://duckduckgo.com |
| 9 | 64 | 0.75 | 24 | 0.91 | +http://www.uptime.com/uptimebot |
| 10 | 52 | 0.61 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 39 | 0.46 | 0 | 0.00 | +http://www.xovibot.net/ |
| 12 | 37 | 0.43 | 6 | 0.23 | +http://ahrefs.com/robot/ |
| 13 | 37 | 0.43 | 0 | 0.00 | Windows 95 |
| 14 | 36 | 0.42 | 0 | 0.00 | Windows XP |
| 15 | 30 | 0.35 | 5 | 0.19 | +http://help.coccoc.com/ |
| 16 | 30 | 0.35 | 6 | 0.23 | +http://OpenLinkProfiler.org/bot |
| 17 | 27 | 0.32 | 7 | 0.27 | +http://www.exabot.com/go/robot |
| 18 | 26 | 0.31 | 3 | 0.11 | +http://fulltext.sblog.cz/ |
| 19 | 24 | 0.28 | 0 | 0.00 | +http://www.linkdex.com/bots/ |
| 20 | 21 | 0.25 | 4 | 0.15 | +http://sur.ly/bot.html |
| 21 | 20 | 0.23 | 2 | 0.08 | +https://www.aihitdata.com/about |
| 22 | 19 | 0.22 | 6 | 0.23 | +info@netcraft.com |
| 23 | 18 | 0.21 | 2 | 0.08 | Linux [unknown version] |
| 24 | 14 | 0.16 | 0 | 0.00 | Windows 98 |
| 25 | 13 | 0.15 | 0 | 0.00 | +http://flipboard.com/browserproxy |
| 26 | 11 | 0.13 | 0 | 0.00 | Win32 |
| 27 | 8 | 0.09 | 0 | 0.00 | Windows 3.1 |
| 28 | 8 | 0.09 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 29 | 8 | 0.09 | 1 | 0.04 | Intel Mac OS X 10.6 |
| 30 | 7 | 0.08 | 1 | 0.04 | Windows ME |
| 31 | 6 | 0.07 | 2 | 0.08 | support.orangebot@orange.com |
| 32 | 6 | 0.07 | 0 | 0.00 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 33 | 6 | 0.07 | 3 | 0.11 | +http://www.scoutjet.com/ |
| 34 | 6 | 0.07 | 2 | 0.08 | X11; Linux i686; en |
| 35 | 6 | 0.07 | 2 | 0.08 | +http://webmeup-crawler.com/ |
| 36 | 6 | 0.07 | 1 | 0.04 | +http://megaindex.com/crawler |
| 37 | 6 | 0.07 | 0 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 38 | 4 | 0.05 | 0 | 0.00 | Windows 2000 |
| 39 | 4 | 0.05 | 1 | 0.04 | +http://www.netseer.com/crawler.html; cr... |
| 40 | 4 | 0.05 | 2 | 0.08 | http://nmap.org/book/nse.html |
| 41 | 4 | 0.05 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 42 | 4 | 0.05 | 4 | 0.15 | +http://www.parsijoo.ir/; crawler@parsij... |
| 43 | 4 | 0.05 | 0 | 0.00 | Windows Phone OS 7.5 |
| 44 | 4 | 0.05 | 1 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 45 | 3 | 0.04 | 1 | 0.04 | Macintosh PPC |
| 46 | 3 | 0.04 | 0 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 47 | 3 | 0.04 | 0 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 48 | 2 | 0.02 | 2 | 0.08 | +http://glutenfreepleasure.com/ |
| 49 | 2 | 0.02 | 1 | 0.04 | +https://deusu.de/robot.html |
| 50 | 2 | 0.02 | 0 | 0.00 | http://yooz.ir; info@yooz.ir |
| 51 | 1 | 0.01 | 1 | 0.04 | +http://www.privacyaware.org |
