| Used Operating Systems |
| 1 | 109489 | 56.36 | 1613 | 9.28 | +http://www.bing.com/bingbot.htm |
| 2 | 32973 | 16.97 | 5181 | 29.80 | Windows NT |
| 3 | 16623 | 8.56 | 3887 | 22.36 | +http://www.google.com/bot.html |
| 4 | 12221 | 6.29 | 215 | 1.24 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 3715 | 1.91 | 312 | 1.79 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 2302 | 1.18 | 1388 | 7.98 | +http://ahrefs.com/robot/ |
| 7 | 2230 | 1.15 | 1323 | 7.61 | +http://www.easou.com/search/spider.html |
| 8 | 2083 | 1.07 | 2007 | 11.55 | +http://www.baidu.com/search/spider.html |
| 9 | 1991 | 1.02 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 10 | 1919 | 0.99 | 125 | 0.72 | Windows 98 |
| 11 | 1789 | 0.92 | 521 | 3.00 | +http://www.linkdex.com/bots/ |
| 12 | 1569 | 0.81 | 143 | 0.82 | +http://www.profound.net/urlappendbot.ht... |
| 13 | 1496 | 0.77 | 3 | 0.02 | http://crawler.sistrix.net/ |
| 14 | 1104 | 0.57 | 1 | 0.01 | +http://www.linkpad.ru |
| 15 | 926 | 0.48 | 209 | 1.20 | +http://yandex.com/bots |
| 16 | 479 | 0.25 | 5 | 0.03 | +http://siteexplorer.info/ |
| 17 | 289 | 0.15 | 16 | 0.09 | +http://fulltext.sblog.cz/ |
| 18 | 163 | 0.08 | 10 | 0.06 | +http://help.coccoc.com/ |
| 19 | 119 | 0.06 | 48 | 0.28 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 95 | 0.05 | 63 | 0.36 | Windows 95 |
| 21 | 84 | 0.04 | 43 | 0.25 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 74 | 0.04 | 70 | 0.40 | Linux i686 [unknown version] |
| 23 | 50 | 0.03 | 13 | 0.07 | +http://www.semrush.com/bot.html |
| 24 | 31 | 0.02 | 19 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 25 | 29 | 0.01 | 12 | 0.07 | +http://www.exabot.com/go/robot |
| 26 | 28 | 0.01 | 16 | 0.09 | Windows CE |
| 27 | 27 | 0.01 | 12 | 0.07 | X11 |
| 28 | 25 | 0.01 | 3 | 0.02 | PPC Mac OS X 10.4 |
| 29 | 22 | 0.01 | 10 | 0.06 | Windows XP |
| 30 | 22 | 0.01 | 17 | 0.10 | Windows 3.1 |
| 31 | 21 | 0.01 | 13 | 0.07 | Windows ME |
| 32 | 20 | 0.01 | 4 | 0.02 | Windows Phone OS 7.5 |
| 33 | 18 | 0.01 | 7 | 0.04 | +http://www.proximic.com/info/spider.php |
| 34 | 18 | 0.01 | 5 | 0.03 | +http://fulltext.sblog.cz/screenshot/ |
| 35 | 15 | 0.01 | 1 | 0.01 | J2ME/MIDP |
| 36 | 14 | 0.01 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 37 | 13 | 0.01 | 8 | 0.05 | Windows 2000 |
| 38 | 13 | 0.01 | 4 | 0.02 | Android 2.3.5 |
| 39 | 13 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 40 | 12 | 0.01 | 12 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 41 | 12 | 0.01 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.55; Windows NT 5.... |
| 42 | 11 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 10 | 0.01 | 0 | 0.00 | Windows 9. |
| 44 | 9 | 0.00 | 2 | 0.01 | http://www.youdao.com/help/webmaster/spi... |
| 45 | 8 | 0.00 | 2 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 46 | 7 | 0.00 | 5 | 0.03 | +http://wmaid.com/explore/ |
| 47 | 6 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 48 | 6 | 0.00 | 3 | 0.02 | +http://www.yunyun.com/spider.html |
| 49 | 6 | 0.00 | 2 | 0.01 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 50 | 5 | 0.00 | 1 | 0.01 | Windows 92 |
| 51 | 5 | 0.00 | 4 | 0.02 | +info@netcraft.com |
| 52 | 5 | 0.00 | 2 | 0.01 | +http://gimme60.com |
| 53 | 5 | 0.00 | 1 | 0.01 | +http://freedlf.com/ |
| 54 | 4 | 0.00 | 2 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 55 | 4 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 56 | 4 | 0.00 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 57 | 4 | 0.00 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.55; Windows NT 5.... |
| 58 | 4 | 0.00 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 59 | 3 | 0.00 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.30; Windows NT 6.... |
| 60 | 3 | 0.00 | 2 | 0.01 | AOL 9.6; AOLBuild 4340.192; Windows NT 6... |
| 61 | 3 | 0.00 | 1 | 0.01 | OSF1 alpha |
| 62 | 3 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 63 | 3 | 0.00 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.1022; Windows NT ... |
| 64 | 2 | 0.00 | 0 | 0.00 | http://www.bing.com/bingbot.htm |
| 65 | 2 | 0.00 | 1 | 0.01 | http://www.mojeek.com/bot.html |
| 66 | 2 | 0.00 | 0 | 0.00 | apps-presentations; +http://docs.google.... |
| 67 | 2 | 0.00 | 2 | 0.01 | +http://www.loadtime.net/bot.html |
| 68 | 2 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 69 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 70 | 1 | 0.00 | 1 | 0.01 | +http://136.186.231.16 |
| 71 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |