| Used Operating Systems |
| 1 | 40413 | 56.81 | 363 | 4.18 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 19929 | 28.02 | 5000 | 57.52 | Windows NT |
| 3 | 3153 | 4.43 | 740 | 8.51 | +http://www.bing.com/bingbot.htm |
| 4 | 2246 | 3.16 | 862 | 9.92 | +http://www.google.com/bot.html |
| 5 | 1293 | 1.82 | 523 | 6.02 | +http://www.baidu.com/search/spider.html |
| 6 | 526 | 0.74 | 142 | 1.63 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 407 | 0.57 | 53 | 0.61 | +http://www.semrush.com/bot.html |
| 8 | 353 | 0.50 | 102 | 1.17 | +http://yandex.com/bots |
| 9 | 344 | 0.48 | 15 | 0.17 | http://www.searchmetrics.com/en/searchme... |
| 10 | 213 | 0.30 | 76 | 0.87 | +http://www.linkdex.com/bots/ |
| 11 | 201 | 0.28 | 148 | 1.70 | Windows 95 |
| 12 | 194 | 0.27 | 51 | 0.59 | Windows 98 |
| 13 | 184 | 0.26 | 17 | 0.20 | +http://fulltext.sblog.cz/ |
| 14 | 144 | 0.20 | 7 | 0.08 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 141 | 0.20 | 80 | 0.92 | +http://ahrefs.com/robot/ |
| 16 | 112 | 0.16 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 17 | 103 | 0.14 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 18 | 89 | 0.13 | 42 | 0.48 | +http://www.exabot.com/go/robot |
| 19 | 74 | 0.10 | 9 | 0.10 | http://www.bing.com/bingbot.htm |
| 20 | 69 | 0.10 | 52 | 0.60 | +http://www.xovibot.net/ |
| 21 | 55 | 0.08 | 38 | 0.44 | Windows 2000 |
| 22 | 54 | 0.08 | 2 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 23 | 48 | 0.07 | 2 | 0.02 | Windows Phone OS 7.5 |
| 24 | 48 | 0.07 | 41 | 0.47 | Windows 3.1 |
| 25 | 47 | 0.07 | 5 | 0.06 | +http://www.findxbot.com |
| 26 | 46 | 0.06 | 36 | 0.41 | Auto; Windows |
| 27 | 45 | 0.06 | 8 | 0.09 | Windows XP |
| 28 | 45 | 0.06 | 34 | 0.39 | Windows ME |
| 29 | 41 | 0.06 | 27 | 0.31 | ) - BrowseX (2.0.0 Windows |
| 30 | 39 | 0.05 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 31 | 38 | 0.05 | 34 | 0.39 | Windows CE |
| 32 | 38 | 0.05 | 18 | 0.21 | +http://duckduckgo.com |
| 33 | 36 | 0.05 | 33 | 0.38 | MSIE 5.5; Windows NT 5.0 |
| 34 | 36 | 0.05 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 35 | 35 | 0.05 | 14 | 0.16 | X11 |
| 36 | 34 | 0.05 | 2 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 37 | 29 | 0.04 | 26 | 0.30 | MSIE 5.5; Windows NT 4.0 |
| 38 | 26 | 0.04 | 3 | 0.03 | +http://www.profound.net/domainappender |
| 39 | 24 | 0.03 | 2 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 40 | 22 | 0.03 | 1 | 0.01 | Android |
| 41 | 22 | 0.03 | 6 | 0.07 | http://www.opensiteexplorer.org/dotbot, ... |
| 42 | 16 | 0.02 | 4 | 0.05 | +https://www.mojeek.com/bot.html |
| 43 | 16 | 0.02 | 4 | 0.05 | +http://siteexplorer.info/ |
| 44 | 15 | 0.02 | 4 | 0.05 | Android 2.3.5 |
| 45 | 14 | 0.02 | 7 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 46 | 12 | 0.02 | 5 | 0.06 | +http://help.coccoc.com/ |
| 47 | 11 | 0.02 | 11 | 0.13 | Linux i686 [unknown version] |
| 48 | 8 | 0.01 | 8 | 0.09 | Linux [unknown version] |
| 49 | 8 | 0.01 | 8 | 0.09 | +http://www.domaintuno.com/robot |
| 50 | 4 | 0.01 | 3 | 0.03 | PPC Mac OS X Mach-O |
| 51 | 4 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 52 | 3 | 0.00 | 1 | 0.01 | +http://gimmeusa-update.com/crawler |
| 53 | 3 | 0.00 | 3 | 0.03 | ActiveXperts.Http |
| 54 | 2 | 0.00 | 2 | 0.02 | PPC Mac OS X 10.4 |
| 55 | 2 | 0.00 | 2 | 0.02 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 56 | 2 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 57 | 2 | 0.00 | 0 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 58 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 59 | 2 | 0.00 | 1 | 0.01 | +http://www.idmarch.org/bot.html |
| 60 | 2 | 0.00 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 61 | 2 | 0.00 | 2 | 0.02 | Linux i586 [unknown version] |
| 62 | 2 | 0.00 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 63 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 64 | 1 | 0.00 | 1 | 0.01 | +http://www.seograph.net/bot.html |
| 65 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 66 | 1 | 0.00 | 0 | 0.00 | CEMENT |
| 67 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.6 |
