| Used Operating Systems |
| 1 | 16948 | 53.92 | 1246 | 16.42 | Windows NT |
| 2 | 3840 | 12.22 | 3283 | 43.26 | +http://www.baidu.com/search/spider.html |
| 3 | 2075 | 6.60 | 540 | 7.12 | +http://www.google.com/bot.html |
| 4 | 1949 | 6.20 | 725 | 9.55 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1643 | 5.23 | 728 | 9.59 | +http://www.bing.com/bingbot.htm |
| 6 | 1476 | 4.70 | 287 | 3.78 | ezooms.bot@gmail.com |
| 7 | 1413 | 4.50 | 277 | 3.65 | +http://yandex.com/bots |
| 8 | 305 | 0.97 | 12 | 0.16 | http://crawler.sistrix.net/ |
| 9 | 171 | 0.54 | 24 | 0.32 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 167 | 0.53 | 166 | 2.19 | http://www.yodao.com/help/webmaster/spid... |
| 11 | 136 | 0.43 | 7 | 0.09 | Windows Phone OS 7.0 |
| 12 | 131 | 0.42 | 55 | 0.72 | +http://discoveryengine.com/discobot.htm... |
| 13 | 122 | 0.39 | 3 | 0.04 | X11 |
| 14 | 111 | 0.35 | 20 | 0.26 | ScoutJet; +http://blekko.com/about/blekk... |
| 15 | 98 | 0.31 | 6 | 0.08 | Intel Mac OS X 10.6 |
| 16 | 86 | 0.27 | 14 | 0.18 | Linux i686 [unknown version] |
| 17 | 79 | 0.25 | 2 | 0.03 | PPC Mac OS X Mach-O |
| 18 | 72 | 0.23 | 29 | 0.38 | Windows 98 |
| 19 | 66 | 0.21 | 2 | 0.03 | +http://www.aihit.com/ |
| 20 | 54 | 0.17 | 2 | 0.03 | Intel Mac OS X 10.7 |
| 21 | 45 | 0.14 | 13 | 0.17 | +http://ahrefs.com/robot/ |
| 22 | 44 | 0.14 | 20 | 0.26 | +http://www.seoprofiler.com/bot |
| 23 | 42 | 0.13 | 0 | 0.00 | Solaris 7.x |
| 24 | 40 | 0.13 | 2 | 0.03 | +http://fulltext.sblog.cz/screenshot/ |
| 25 | 31 | 0.10 | 17 | 0.22 | +http://www.exabot.com/go/robot |
| 26 | 30 | 0.10 | 12 | 0.16 | +http://www.acoon.de/robot.asp |
| 27 | 26 | 0.08 | 15 | 0.20 | +http://shoulu.jike.com/spider.html |
| 28 | 24 | 0.08 | 2 | 0.03 | +http://www.career-x.de/bot.html |
| 29 | 22 | 0.07 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 30 | 21 | 0.07 | 1 | 0.01 | PPC Mac OS X 10.4 |
| 31 | 16 | 0.05 | 0 | 0.00 | Windows 9. |
| 32 | 14 | 0.04 | 1 | 0.01 | MSIE 5.5; Windows NT 5.1 |
| 33 | 13 | 0.04 | 0 | 0.00 | http://desktop.google.com/ |
| 34 | 12 | 0.04 | 6 | 0.08 | http://www.youdao.com/help/webmaster/spi... |
| 35 | 11 | 0.03 | 11 | 0.14 | Linux [unknown version] |
| 36 | 10 | 0.03 | 5 | 0.07 | +http://www.eventguru.com/spider.html |
| 37 | 8 | 0.03 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 38 | 7 | 0.02 | 5 | 0.07 | Win32 |
| 39 | 7 | 0.02 | 3 | 0.04 | http://www.botje.com/plukkie.htm |
| 40 | 6 | 0.02 | 1 | 0.01 | J2ME/MIDP |
| 41 | 6 | 0.02 | 2 | 0.03 | +http://www.scoutjet.com/ |
| 42 | 6 | 0.02 | 6 | 0.08 | WinHttp.WinHttpRequest.5 |
| 43 | 6 | 0.02 | 0 | 0.00 | America Online Browser 1.1; rev1.1; Wind... |
| 44 | 5 | 0.02 | 5 | 0.07 | +http://pmoz.info/doc/botinfo.htm |
| 45 | 5 | 0.02 | 5 | 0.07 | Windows 95 |
| 46 | 4 | 0.01 | 4 | 0.05 | +http://www.seexie.com |
| 47 | 4 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 48 | 4 | 0.01 | 4 | 0.05 | compatible; Googlebot/2.0; +http://www.g... |
| 49 | 4 | 0.01 | 2 | 0.03 | +http://botw.org |
| 50 | 2 | 0.01 | 2 | 0.03 | webcrawler at wise-guys dot nl; http://w... |
| 51 | 2 | 0.01 | 1 | 0.01 | http://kalooga.com/crawler |
| 52 | 2 | 0.01 | 2 | 0.03 | Windows XP |
| 53 | 2 | 0.01 | 2 | 0.03 | Windows ME |
| 54 | 2 | 0.01 | 2 | 0.03 | Intel Mac OS X 10.4 |
| 55 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 56 | 2 | 0.01 | 2 | 0.03 | FreeBSD [unknown version] |
| 57 | 2 | 0.01 | 1 | 0.01 | +http://domains.checkparams.com/ |
| 58 | 1 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
