| Used Operating Systems |
| 1 | 10480 | 19.62 | 258 | 1.78 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7699 | 14.41 | 8 | 0.06 | +http://webmeup-crawler.com/ |
| 3 | 7311 | 13.69 | 1928 | 13.27 | +http://www.bing.com/bingbot.htm |
| 4 | 5017 | 9.39 | 2774 | 19.09 | Windows NT |
| 5 | 4280 | 8.01 | 2560 | 17.62 | +http://ahrefs.com/robot/ |
| 6 | 4044 | 7.57 | 1841 | 12.67 | +http://www.google.com/bot.html |
| 7 | 3003 | 5.62 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 8 | 2383 | 4.46 | 2174 | 14.96 | +http://www.baidu.com/search/spider.html |
| 9 | 2359 | 4.42 | 1291 | 8.88 | +http://www.easou.com/search/spider.html |
| 10 | 2024 | 3.79 | 345 | 2.37 | +http://yandex.com/bots |
| 11 | 1648 | 3.09 | 355 | 2.44 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 1001 | 1.87 | 481 | 3.31 | +http://www.linkdex.com/bots/ |
| 13 | 701 | 1.31 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 14 | 503 | 0.94 | 286 | 1.97 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 479 | 0.90 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 16 | 148 | 0.28 | 92 | 0.63 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 72 | 0.13 | 40 | 0.28 | +http://www.exabot.com/go/robot |
| 18 | 70 | 0.13 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 19 | 53 | 0.10 | 24 | 0.17 | +http://www.proximic.com/info/spider.php |
| 20 | 16 | 0.03 | 9 | 0.06 | +http://www.grapeshot.co.uk/crawler.php |
| 21 | 13 | 0.02 | 13 | 0.09 | X11 |
| 22 | 10 | 0.02 | 3 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 23 | 10 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 24 | 10 | 0.02 | 8 | 0.06 | Android 2.3.5 |
| 25 | 9 | 0.02 | 0 | 0.00 | +http://www.xovibot.net/ |
| 26 | 8 | 0.01 | 4 | 0.03 | +http://help.coccoc.com/ |
| 27 | 7 | 0.01 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 28 | 6 | 0.01 | 2 | 0.01 | +http://downloaflare.biz |
| 29 | 6 | 0.01 | 6 | 0.04 | Intel Mac OS X 10.6 |
| 30 | 5 | 0.01 | 1 | 0.01 | +http://tryload.in |
| 31 | 4 | 0.01 | 2 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 32 | 3 | 0.01 | 3 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 33 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 34 | 3 | 0.01 | 3 | 0.02 | Linux i686 [unknown version] |
| 35 | 3 | 0.01 | 3 | 0.02 | +http://wmaid.com/explore/ |
| 36 | 3 | 0.01 | 1 | 0.01 | +http://prlog.ru/ |
| 37 | 3 | 0.01 | 1 | 0.01 | +http://overx50.com/ |
| 38 | 2 | 0.00 | 0 | 0.00 | Win32 |
| 39 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 40 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 41 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 42 | 2 | 0.00 | 1 | 0.01 | +http://fulltext.sblog.cz/ |
| 43 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 44 | 1 | 0.00 | 1 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 45 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 46 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
