| Used Operating Systems |
| 1 | 66938 | 45.28 | 1997 | 11.41 | +http://www.bing.com/bingbot.htm |
| 2 | 26708 | 18.07 | 6564 | 37.52 | Windows NT |
| 3 | 17690 | 11.97 | 258 | 1.47 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 11656 | 7.88 | 1750 | 10.00 | +http://www.google.com/bot.html |
| 5 | 7007 | 4.74 | 7 | 0.04 | http://crawler.sistrix.net/ |
| 6 | 4946 | 3.35 | 4741 | 27.10 | +http://www.baidu.com/search/spider.html |
| 7 | 3592 | 2.43 | 311 | 1.78 | help@moz.com |
| 8 | 2392 | 1.62 | 4 | 0.02 | +http://www.seoprofiler.com/bot |
| 9 | 1746 | 1.18 | 162 | 0.93 | +http://yandex.com/bots |
| 10 | 1434 | 0.97 | 633 | 3.62 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 1079 | 0.73 | 320 | 1.83 | +http://www.linkdex.com/about/bots/ |
| 12 | 726 | 0.49 | 64 | 0.37 | ezooms.bot@gmail.com |
| 13 | 296 | 0.20 | 16 | 0.09 | +http://siteexplorer.info/ |
| 14 | 224 | 0.15 | 191 | 1.09 | +http://www.easou.com/search/spider.html |
| 15 | 145 | 0.10 | 27 | 0.15 | +http://www.semrush.com/bot.html |
| 16 | 121 | 0.08 | 29 | 0.17 | +http://www.yunyun.com/spider.html |
| 17 | 107 | 0.07 | 59 | 0.34 | Windows 95 |
| 18 | 91 | 0.06 | 33 | 0.19 | Windows 98 |
| 19 | 67 | 0.05 | 56 | 0.32 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 66 | 0.04 | 0 | 0.00 | Windows 9. |
| 21 | 63 | 0.04 | 19 | 0.11 | X11 |
| 22 | 62 | 0.04 | 30 | 0.17 | +http://help.coccoc.com/ |
| 23 | 55 | 0.04 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 24 | 41 | 0.03 | 4 | 0.02 | http://www.mojeek.com/bot.html |
| 25 | 38 | 0.03 | 12 | 0.07 | +http://www.exabot.com/go/robot |
| 26 | 29 | 0.02 | 1 | 0.01 | BREW |
| 27 | 28 | 0.02 | 16 | 0.09 | +http://www.grapeshot.co.uk/crawler.php |
| 28 | 27 | 0.02 | 14 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 29 | 26 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 30 | 25 | 0.02 | 10 | 0.06 | +http://www.proximic.com/info/spider.php |
| 31 | 25 | 0.02 | 17 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 32 | 24 | 0.02 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 33 | 24 | 0.02 | 7 | 0.04 | Android 2.3.5 |
| 34 | 22 | 0.01 | 12 | 0.07 | Windows 3.1 |
| 35 | 21 | 0.01 | 11 | 0.06 | Linux i686 [unknown version] |
| 36 | 20 | 0.01 | 3 | 0.02 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 37 | 19 | 0.01 | 9 | 0.05 | Windows CE |
| 38 | 15 | 0.01 | 5 | 0.03 | Windows XP |
| 39 | 14 | 0.01 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 40 | 13 | 0.01 | 11 | 0.06 | Windows 2000 |
| 41 | 12 | 0.01 | 8 | 0.05 | Auto; Windows |
| 42 | 12 | 0.01 | 3 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 43 | 12 | 0.01 | 2 | 0.01 | crawler@unister.de |
| 44 | 11 | 0.01 | 7 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 45 | 11 | 0.01 | 10 | 0.06 | +http://www.load-time.com/bot.html |
| 46 | 10 | 0.01 | 2 | 0.01 | PPC Mac OS X 10.4 |
| 47 | 10 | 0.01 | 6 | 0.03 | PPC Mac OS X |
| 48 | 9 | 0.01 | 3 | 0.02 | Windows 92 |
| 49 | 9 | 0.01 | 3 | 0.02 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 50 | 9 | 0.01 | 3 | 0.02 | +http://fulltext.sblog.cz/screenshot/ |
| 51 | 8 | 0.01 | 2 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 52 | 7 | 0.00 | 0 | 0.00 | Win32 |
| 53 | 7 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 54 | 7 | 0.00 | 5 | 0.03 | Windows ME |
| 55 | 6 | 0.00 | 3 | 0.02 | Nintendo DSi |
| 56 | 6 | 0.00 | 6 | 0.03 | MSIE 5.5; Windows 95 |
| 57 | 5 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 58 | 5 | 0.00 | 3 | 0.02 | +info@netcraft.com |
| 59 | 4 | 0.00 | 4 | 0.02 | Linux [unknown version] |
| 60 | 4 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 61 | 4 | 0.00 | 1 | 0.01 | iPhone |
| 62 | 4 | 0.00 | 2 | 0.01 | SpreadTrum |
| 63 | 4 | 0.00 | 3 | 0.02 | Intel Mac OS X 10.6 |
| 64 | 4 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 65 | 3 | 0.00 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 66 | 3 | 0.00 | 1 | 0.01 | Android |
| 67 | 3 | 0.00 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 68 | 3 | 0.00 | 1 | 0.01 | Windows Phone OS 7.5 |
| 69 | 2 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 70 | 2 | 0.00 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 71 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 72 | 2 | 0.00 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 73 | 1 | 0.00 | 1 | 0.01 | OpenBSD [unknown version] |
| 74 | 1 | 0.00 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 75 | 1 | 0.00 | 1 | 0.01 | SunOS i86pc |
| 76 | 1 | 0.00 | 1 | 0.01 | http://www.dataprovider.com/ |
| 77 | 1 | 0.00 | 1 | 0.01 | Linux 2.2.x |