| Used Operating Systems by Visits |
| 1 | 50422 | 10.44 | 40578 | 67.39 | +http://ahrefs.com/robot/ |
| 2 | 10781 | 2.23 | 9532 | 15.83 | +http://www.baidu.com/search/spider.html |
| 3 | 12216 | 2.53 | 3377 | 5.61 | +http://www.google.com/bot.html |
| 4 | 12768 | 2.64 | 1631 | 2.71 | Windows NT |
| 5 | 242138 | 50.13 | 1478 | 2.45 | +http://www.bing.com/bingbot.htm |
| 6 | 36000 | 7.45 | 1013 | 1.68 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 4677 | 0.97 | 788 | 1.31 | +http://yandex.com/bots |
| 8 | 1328 | 0.27 | 560 | 0.93 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 81878 | 16.95 | 454 | 0.75 | http://mj12bot.com/ |
| 10 | 1479 | 0.31 | 242 | 0.40 | +http://www.linkdex.com/bots/ |
| 11 | 298 | 0.06 | 125 | 0.21 | +http://duckduckgo.com |
| 12 | 19587 | 4.06 | 122 | 0.20 | +http://www.semrush.com/bot.html |
| 13 | 683 | 0.14 | 99 | 0.16 | +http://napoveda.seznam.cz/en/seznambot-... |
| 14 | 32 | 0.01 | 32 | 0.05 | Windows 95 |
| 15 | 87 | 0.02 | 31 | 0.05 | +http://cliqz.com/company/cliqzbot |
| 16 | 71 | 0.01 | 28 | 0.05 | PPC Mac OS X |
| 17 | 36 | 0.01 | 24 | 0.04 | +http://www.pinterest.com/bot.html |
| 18 | 1096 | 0.23 | 10 | 0.02 | Windows 98 |
| 19 | 16 | 0.00 | 9 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 20 | 9 | 0.00 | 8 | 0.01 | +info@netcraft.com |
| 21 | 7 | 0.00 | 7 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 22 | 39 | 0.01 | 6 | 0.01 | +http://www.seokicks.de/robot.html |
| 23 | 10 | 0.00 | 5 | 0.01 | +http://www.proximic.com/info/spider.php |
| 24 | 5 | 0.00 | 5 | 0.01 | Windows 3.1 |
| 25 | 400 | 0.08 | 5 | 0.01 | Linux i686 [unknown version] |
| 26 | 6 | 0.00 | 4 | 0.01 | Windows 2000 |
| 27 | 3 | 0.00 | 3 | 0.00 | Windows CE |
| 28 | 3 | 0.00 | 3 | 0.00 | Auto; Windows |
| 29 | 3004 | 0.62 | 3 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 30 | 3 | 0.00 | 3 | 0.00 | Windows ME |
| 31 | 7 | 0.00 | 3 | 0.00 | Windows XP |
| 32 | 420 | 0.09 | 3 | 0.00 | X11 |
| 33 | 4 | 0.00 | 2 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 34 | 4 | 0.00 | 2 | 0.00 | +http://sur.ly/bot.html |
| 35 | 58 | 0.01 | 2 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 36 | 6 | 0.00 | 2 | 0.00 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 37 | 32 | 0.01 | 2 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 38 | 2 | 0.00 | 2 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 39 | 4 | 0.00 | 2 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 40 | 2 | 0.00 | 2 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 41 | 16 | 0.00 | 2 | 0.00 | +http://www.exabot.com/go/robot |
| 42 | 1 | 0.00 | 1 | 0.00 | https://nmap.org/book/nse.html |
| 43 | 11 | 0.00 | 1 | 0.00 | crawler@mixrank.com |
| 44 | 1 | 0.00 | 1 | 0.00 | OSF1 V4.0 alpha |
| 45 | 1 | 0.00 | 1 | 0.00 | Linux [unknown version] |
| 46 | 8 | 0.00 | 1 | 0.00 | +http://naver.me/bot |
| 47 | 3326 | 0.69 | 1 | 0.00 | +http://megaindex.com/crawler |
| 48 | 2 | 0.00 | 1 | 0.00 | +http://www.findxbot.com |
| 49 | 1 | 0.00 | 1 | 0.00 | +http://eripp.com |
| 50 | 1 | 0.00 | 0 | 0.00 | i686 Linux; 20020821 |
| 51 | 8 | 0.00 | 0 | 0.00 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 52 | 4 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 53 | 1 | 0.00 | 0 | 0.00 | +http://glutenfreepleasure.com/ |
| 54 | 11 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 55 | 1 | 0.00 | 0 | 0.00 | SunOS 5.11 |
