| Used Operating Systems |
| 1 | 27402 | 30.56 | 368 | 1.92 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 25559 | 28.50 | 7517 | 39.12 | Windows NT |
| 3 | 8693 | 9.69 | 3531 | 18.38 | +http://ahrefs.com/robot/ |
| 4 | 8579 | 9.57 | 1262 | 6.57 | +http://www.bing.com/bingbot.htm |
| 5 | 3798 | 4.24 | 4 | 0.02 | +http://webmeup-crawler.com/ |
| 6 | 2840 | 3.17 | 2629 | 13.68 | +http://www.baidu.com/search/spider.html |
| 7 | 2805 | 3.13 | 1534 | 7.98 | +http://www.google.com/bot.html |
| 8 | 2001 | 2.23 | 4 | 0.02 | http://crawler.sistrix.net/ |
| 9 | 1577 | 1.76 | 146 | 0.76 | +http://www.semrush.com/bot.html |
| 10 | 1132 | 1.26 | 175 | 0.91 | +http://yandex.com/bots |
| 11 | 1030 | 1.15 | 486 | 2.53 | +http://www.linkdex.com/bots/ |
| 12 | 1001 | 1.12 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 13 | 980 | 1.09 | 251 | 1.31 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 792 | 0.88 | 511 | 2.66 | +http://www.easou.com/search/spider.html |
| 15 | 537 | 0.60 | 335 | 1.74 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 315 | 0.35 | 280 | 1.46 | +http://www.xovibot.net/ |
| 17 | 140 | 0.16 | 2 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 18 | 84 | 0.09 | 14 | 0.07 | +http://www.profound.net/domainappender |
| 19 | 81 | 0.09 | 49 | 0.26 | +http://www.exabot.com/go/robot |
| 20 | 62 | 0.07 | 1 | 0.01 | +http://www.linkpad.ru |
| 21 | 58 | 0.06 | 31 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 43 | 0.05 | 21 | 0.11 | +http://www.proximic.com/info/spider.php |
| 23 | 22 | 0.02 | 6 | 0.03 | +http://fulltext.sblog.cz/ |
| 24 | 17 | 0.02 | 1 | 0.01 | http://www.lipperhey.com/ |
| 25 | 16 | 0.02 | 8 | 0.04 | +http://help.coccoc.com/ |
| 26 | 14 | 0.02 | 7 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 11 | 0.01 | 9 | 0.05 | Intel Mac OS X 10.6 |
| 28 | 7 | 0.01 | 1 | 0.01 | Windows 98 |
| 29 | 6 | 0.01 | 3 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 30 | 6 | 0.01 | 1 | 0.01 | Linux [unknown version] |
| 31 | 6 | 0.01 | 4 | 0.02 | X11 |
| 32 | 5 | 0.01 | 3 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 33 | 4 | 0.00 | 2 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 34 | 4 | 0.00 | 1 | 0.01 | +http://downloadmine.biz |
| 35 | 4 | 0.00 | 1 | 0.01 | BREW |
| 36 | 4 | 0.00 | 1 | 0.01 | +http://u2search.co |
| 37 | 4 | 0.00 | 1 | 0.01 | +http://prox100download.com |
| 38 | 4 | 0.00 | 1 | 0.01 | +http://r4downloads.co |
| 39 | 3 | 0.00 | 1 | 0.01 | Android |
| 40 | 3 | 0.00 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 41 | 3 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 42 | 3 | 0.00 | 1 | 0.01 | +http://alphaphitote.com |
| 43 | 2 | 0.00 | 2 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 44 | 2 | 0.00 | 2 | 0.01 | Linux i686 [unknown version] |
| 45 | 2 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 46 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 47 | 1 | 0.00 | 1 | 0.01 | +http://gimmeUSA.com |
| 48 | 1 | 0.00 | 1 | 0.01 | +http://wmaid.com/en/explore/ |
| 49 | 1 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 50 | 1 | 0.00 | 0 | 0.00 | FreeBSD [unknown version] |
