| Used Operating Systems |
| 1 | 2253 | 33.58 | 1604 | 78.13 | +http://www.baidu.com/search/spider.html |
| 2 | 1129 | 16.83 | 80 | 3.90 | Windows NT |
| 3 | 1023 | 15.25 | 136 | 6.62 | +http://www.bing.com/bingbot.htm |
| 4 | 965 | 14.38 | 81 | 3.95 | +http://www.google.com/bot.html |
| 5 | 484 | 7.21 | 60 | 2.92 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 102 | 1.52 | 7 | 0.34 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 72 | 1.07 | 14 | 0.68 | +http://help.coccoc.com/ |
| 8 | 68 | 1.01 | 0 | 0.00 | +http://www.linkdex.com/bots/ |
| 9 | 60 | 0.89 | 18 | 0.88 | +http://duckduckgo.com |
| 10 | 57 | 0.85 | 0 | 0.00 | Windows 98 |
| 11 | 53 | 0.79 | 2 | 0.10 | +http://yandex.com/bots |
| 12 | 51 | 0.76 | 0 | 0.00 | +http://www.xovibot.net/ |
| 13 | 45 | 0.67 | 4 | 0.19 | +http://www.findxbot.com |
| 14 | 34 | 0.51 | 2 | 0.10 | +http://webmeup-crawler.com/ |
| 15 | 28 | 0.42 | 0 | 0.00 | Windows 95 |
| 16 | 27 | 0.40 | 0 | 0.00 | Windows XP |
| 17 | 26 | 0.39 | 4 | 0.19 | +http://ahrefs.com/robot/ |
| 18 | 25 | 0.37 | 5 | 0.24 | +http://OpenLinkProfiler.org/bot |
| 19 | 24 | 0.36 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 20 | 16 | 0.24 | 0 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 21 | 14 | 0.21 | 4 | 0.19 | +http://www.parsijoo.ir/; crawler@parsij... |
| 22 | 14 | 0.21 | 6 | 0.29 | +http://www.exabot.com/go/robot |
| 23 | 14 | 0.21 | 0 | 0.00 | +http://flipboard.com/browserproxy |
| 24 | 13 | 0.19 | 0 | 0.00 | Auto; Windows |
| 25 | 13 | 0.19 | 4 | 0.19 | +info@netcraft.com |
| 26 | 12 | 0.18 | 6 | 0.29 | +http://fulltext.sblog.cz/ |
| 27 | 8 | 0.12 | 0 | 0.00 | Windows 3.1 |
| 28 | 6 | 0.09 | 2 | 0.10 | +https://deusu.de/robot.html |
| 29 | 6 | 0.09 | 0 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 30 | 6 | 0.09 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 31 | 6 | 0.09 | 1 | 0.05 | +http://megaindex.com/crawler |
| 32 | 5 | 0.07 | 1 | 0.05 | +https://www.lipperhey.com/en/about/ |
| 33 | 4 | 0.06 | 1 | 0.05 | support.orangebot@orange.com |
| 34 | 4 | 0.06 | 0 | 0.00 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 35 | 4 | 0.06 | 1 | 0.05 | crawler@mixrank.com |
| 36 | 4 | 0.06 | 0 | 0.00 | Win32 |
| 37 | 4 | 0.06 | 2 | 0.10 | http://www.botje.com/plukkie.htm |
| 38 | 4 | 0.06 | 1 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 39 | 3 | 0.04 | 0 | 0.00 | Windows 2000 |
| 40 | 3 | 0.04 | 3 | 0.15 | +http://glutenfreepleasure.com/ |
| 41 | 3 | 0.04 | 1 | 0.05 | Linux [unknown version] |
| 42 | 3 | 0.04 | 1 | 0.05 | Linux i686 [unknown version] |
| 43 | 3 | 0.04 | 0 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 44 | 2 | 0.03 | 0 | 0.00 | twingly.com |
| 45 | 2 | 0.03 | 1 | 0.05 | +http://www.scoutjet.com/ |
| 46 | 2 | 0.03 | 1 | 0.05 | http://nmap.org/book/nse.html |
| 47 | 2 | 0.03 | 0 | 0.00 | S60 |
| 48 | 1 | 0.01 | 0 | 0.00 | S60; SymbOS; Opera Mobi/SYB-1107071606; ... |
| 49 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 50 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
