| Used Operating Systems |
| 1 | 14631 | 51.26 | 1057 | 13.99 | Windows NT |
| 2 | 3654 | 12.80 | 3172 | 42.00 | +http://www.baidu.com/search/spider.html |
| 3 | 1883 | 6.60 | 671 | 8.88 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1450 | 5.08 | 283 | 3.75 | ezooms.bot@gmail.com |
| 5 | 1336 | 4.68 | 615 | 8.14 | +http://www.bing.com/bingbot.htm |
| 6 | 1216 | 4.26 | 318 | 4.21 | +http://yandex.com/bots |
| 7 | 769 | 2.69 | 457 | 6.05 | +http://ahrefs.com/robot/ |
| 8 | 752 | 2.63 | 372 | 4.93 | +http://www.google.com/bot.html |
| 9 | 400 | 1.40 | 73 | 0.97 | ScoutJet; +http://blekko.com/about/blekk... |
| 10 | 362 | 1.27 | 2 | 0.03 | http://www.nerdbynature.net/bot |
| 11 | 341 | 1.19 | 11 | 0.15 | http://crawler.sistrix.net/ |
| 12 | 280 | 0.98 | 9 | 0.12 | X11 |
| 13 | 263 | 0.92 | 0 | 0.00 | Solaris 7.x |
| 14 | 180 | 0.63 | 74 | 0.98 | +http://discoveryengine.com/discobot.htm... |
| 15 | 177 | 0.62 | 175 | 2.32 | http://www.yodao.com/help/webmaster/spid... |
| 16 | 175 | 0.61 | 38 | 0.50 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 107 | 0.37 | 44 | 0.58 | +http://www.acoon.de/robot.asp |
| 18 | 78 | 0.27 | 39 | 0.52 | MSIE 5.5; Windows NT 5.0 |
| 19 | 65 | 0.23 | 31 | 0.41 | +http://www.exabot.com/go/robot |
| 20 | 57 | 0.20 | 8 | 0.11 | Intel Mac OS X 10.6 |
| 21 | 53 | 0.19 | 9 | 0.12 | Linux [unknown version] |
| 22 | 48 | 0.17 | 4 | 0.05 | +http://www.career-x.de/bot.html |
| 23 | 46 | 0.16 | 2 | 0.03 | Android |
| 24 | 32 | 0.11 | 13 | 0.17 | +http://shoulu.jike.com/spider.html |
| 25 | 19 | 0.07 | 2 | 0.03 | Linux i686 [unknown version] |
| 26 | 19 | 0.07 | 15 | 0.20 | Windows 98 |
| 27 | 18 | 0.06 | 0 | 0.00 | http://desktop.google.com/ |
| 28 | 14 | 0.05 | 0 | 0.00 | Windows 9. |
| 29 | 11 | 0.04 | 3 | 0.04 | http://www.botje.com/plukkie.htm |
| 30 | 10 | 0.04 | 5 | 0.07 | +http://www.openindex.io/en/webmasters/s... |
| 31 | 10 | 0.04 | 5 | 0.07 | +http://www.eventguru.com/spider.html |
| 32 | 8 | 0.03 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 33 | 8 | 0.03 | 2 | 0.03 | Intel Mac OS X 10.4 |
| 34 | 8 | 0.03 | 4 | 0.05 | http://www.youdao.com/help/webmaster/spi... |
| 35 | 7 | 0.02 | 4 | 0.05 | PPC Mac OS X Mach-O |
| 36 | 6 | 0.02 | 3 | 0.04 | +http://www.scoutjet.com/ |
| 37 | 6 | 0.02 | 4 | 0.05 | Windows ME |
| 38 | 5 | 0.02 | 1 | 0.01 | J2ME/MIDP |
| 39 | 5 | 0.02 | 5 | 0.07 | WinHttp.WinHttpRequest.5 |
| 40 | 4 | 0.01 | 2 | 0.03 | Win32 |
| 41 | 4 | 0.01 | 2 | 0.03 | Auto; Windows |
| 42 | 4 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 43 | 4 | 0.01 | 2 | 0.03 | +http://botw.org |
| 44 | 3 | 0.01 | 3 | 0.04 | +http://pmoz.info/doc/botinfo.htm |
| 45 | 2 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 46 | 2 | 0.01 | 2 | 0.03 | crawler@unister.de |
| 47 | 2 | 0.01 | 0 | 0.00 | conversion; +http://docs.google.com |
| 48 | 2 | 0.01 | 2 | 0.03 | Windows 95 |
| 49 | 2 | 0.01 | 1 | 0.01 | Windows Phone OS 7.0 |
| 50 | 1 | 0.00 | 1 | 0.01 | Windows Mobile |
| 51 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 52 | 1 | 0.00 | 1 | 0.01 | Linux i586 [unknown version] |
| 53 | 1 | 0.00 | 1 | 0.01 | +http://www.seoprofiler.com/bot |
| 54 | 1 | 0.00 | 1 | 0.01 | Macintosh; PPC Mac OS X; en |
