| Used Operating Systems |
| 1 | 22281 | 49.50 | 1659 | 40.72 | Windows NT |
| 2 | 7787 | 17.30 | 103 | 2.53 | +http://ahrefs.com/robot/ |
| 3 | 6958 | 15.46 | 109 | 2.68 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 2621 | 5.82 | 383 | 9.40 | +http://www.google.com/bot.html |
| 5 | 2347 | 5.21 | 1306 | 32.06 | +http://www.baidu.com/search/spider.html |
| 6 | 1702 | 3.78 | 235 | 5.77 | +http://www.bing.com/bingbot.htm |
| 7 | 244 | 0.54 | 24 | 0.59 | +http://yandex.com/bots |
| 8 | 226 | 0.50 | 67 | 1.64 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 171 | 0.38 | 3 | 0.07 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 169 | 0.38 | 38 | 0.93 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 71 | 0.16 | 2 | 0.05 | +http://www.seokicks.de/robot.html |
| 12 | 55 | 0.12 | 5 | 0.12 | +http://fulltext.sblog.cz/ |
| 13 | 45 | 0.10 | 39 | 0.96 | +http://www.linkdex.com/bots/ |
| 14 | 38 | 0.08 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 15 | 35 | 0.08 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 16 | 31 | 0.07 | 0 | 0.00 | Windows |
| 17 | 29 | 0.06 | 17 | 0.42 | Linux i686 [unknown version] |
| 18 | 20 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 19 | 16 | 0.04 | 6 | 0.15 | Windows XP |
| 20 | 16 | 0.04 | 8 | 0.20 | +http://duckduckgo.com |
| 21 | 13 | 0.03 | 12 | 0.29 | Linux [unknown version] |
| 22 | 12 | 0.03 | 6 | 0.15 | +http://help.coccoc.com/ |
| 23 | 12 | 0.03 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 24 | 10 | 0.02 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 25 | 10 | 0.02 | 1 | 0.02 | +http://megaindex.com/crawler |
| 26 | 10 | 0.02 | 10 | 0.25 | Linux i586 [unknown version] |
| 27 | 9 | 0.02 | 2 | 0.05 | +http://www.exabot.com/go/robot |
| 28 | 8 | 0.02 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 29 | 6 | 0.01 | 2 | 0.05 | Windows ME |
| 30 | 6 | 0.01 | 3 | 0.07 | Windows 98 |
| 31 | 6 | 0.01 | 3 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 5 | 0.01 | 3 | 0.07 | +http://www.netseer.com/crawler.html; cr... |
| 33 | 5 | 0.01 | 5 | 0.12 | http://www.bing.com/bingbot.htm |
| 34 | 5 | 0.01 | 2 | 0.05 | Windows 95 |
| 35 | 4 | 0.01 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 36 | 3 | 0.01 | 1 | 0.02 | Auto; Windows |
| 37 | 3 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 38 | 3 | 0.01 | 1 | 0.02 | +http://prlog.ru/ |
| 39 | 3 | 0.01 | 3 | 0.07 | actually this is http://ismyblogworking.... |
| 40 | 2 | 0.00 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 41 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 2 | 0.00 | 2 | 0.05 | +http://www.domaintuno.com/robot |
| 43 | 2 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 44 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 45 | 1 | 0.00 | 1 | 0.02 | Windows CE |
| 46 | 1 | 0.00 | 1 | 0.02 | Intel Mac OS X 10.5 |
| 47 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 48 | 1 | 0.00 | 1 | 0.02 | +http://www.xovibot.net/ |
