| Used Operating Systems |
| 1 | 35748 | 40.92 | 7524 | 47.66 | +http://ahrefs.com/robot/ |
| 2 | 21703 | 24.84 | 702 | 4.45 | +http://yandex.com/bots |
| 3 | 8618 | 9.87 | 2091 | 13.25 | Windows NT |
| 4 | 6143 | 7.03 | 457 | 2.89 | +http://www.bing.com/bingbot.htm |
| 5 | 4351 | 4.98 | 84 | 0.53 | http://mj12bot.com/ |
| 6 | 2699 | 3.09 | 2475 | 15.68 | +http://www.baidu.com/search/spider.html |
| 7 | 2475 | 2.83 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 8 | 2301 | 2.63 | 1168 | 7.40 | +http://www.google.com/bot.html |
| 9 | 898 | 1.03 | 531 | 3.36 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 617 | 0.71 | 144 | 0.91 | +http://www.linkdex.com/bots/ |
| 11 | 560 | 0.64 | 4 | 0.03 | +http://siteexplorer.info/Backlink-Check... |
| 12 | 171 | 0.20 | 139 | 0.88 | Windows 95 |
| 13 | 143 | 0.16 | 2 | 0.01 | +http://napoveda.seznam.cz/en/seznambot-... |
| 14 | 102 | 0.12 | 37 | 0.23 | Windows 98 |
| 15 | 100 | 0.11 | 91 | 0.58 | +http://www.uptime.com/uptimebot |
| 16 | 59 | 0.07 | 22 | 0.14 | Windows XP |
| 17 | 58 | 0.07 | 1 | 0.01 | +http://www.semrush.com/bot.html |
| 18 | 56 | 0.06 | 28 | 0.18 | +http://duckduckgo.com |
| 19 | 50 | 0.06 | 10 | 0.06 | +https://www.mojeek.com/bot.html |
| 20 | 46 | 0.05 | 26 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 45 | 0.05 | 5 | 0.03 | +http://www.seokicks.de/robot.html |
| 22 | 37 | 0.04 | 31 | 0.20 | Windows 2000 |
| 23 | 35 | 0.04 | 26 | 0.16 | Windows ME |
| 24 | 35 | 0.04 | 12 | 0.08 | +http://www.exabot.com/go/robot |
| 25 | 33 | 0.04 | 30 | 0.19 | MSIE 5.5; Windows NT 5.0 |
| 26 | 29 | 0.03 | 26 | 0.16 | ) - BrowseX (2.0.0 Windows |
| 27 | 28 | 0.03 | 0 | 0.00 | +http://naver.me/bot |
| 28 | 27 | 0.03 | 22 | 0.14 | Windows 3.1 |
| 29 | 22 | 0.03 | 18 | 0.11 | Auto; Windows |
| 30 | 20 | 0.02 | 17 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 31 | 19 | 0.02 | 3 | 0.02 | +http://help.coccoc.com/searchengine |
| 32 | 18 | 0.02 | 17 | 0.11 | Windows CE |
| 33 | 14 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 34 | 11 | 0.01 | 5 | 0.03 | X11 |
| 35 | 9 | 0.01 | 4 | 0.03 | http://yooz.ir; info@yooz.ir |
| 36 | 7 | 0.01 | 1 | 0.01 | http://filterdb.iss.net/crawler/ |
| 37 | 5 | 0.01 | 3 | 0.02 | +http://sur.ly/bot.html |
| 38 | 5 | 0.01 | 1 | 0.01 | Android 2.3.5 |
| 39 | 5 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 40 | 4 | 0.00 | 0 | 0.00 | Win32 |
| 41 | 4 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 42 | 4 | 0.00 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 43 | 3 | 0.00 | 2 | 0.01 | Macintosh PPC |
| 44 | 3 | 0.00 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 45 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 46 | 3 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 47 | 3 | 0.00 | 2 | 0.01 | Macintosh |
| 48 | 3 | 0.00 | 2 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 49 | 2 | 0.00 | 1 | 0.01 | support.orangebot@orange.com |
| 50 | 2 | 0.00 | 1 | 0.01 | Android |
| 51 | 2 | 0.00 | 2 | 0.01 | +https://github.com/ViDA-NYU/ache; |
| 52 | 2 | 0.00 | 2 | 0.01 | Linux [unknown version] |
| 53 | 2 | 0.00 | 0 | 0.00 | SpreadTrum |
| 54 | 2 | 0.00 | 1 | 0.01 | +http://domainsigma.com/robot |
| 55 | 1 | 0.00 | 1 | 0.01 | MSIE 5.0; Windows 98; SiteCoach 1.0 |
| 56 | 1 | 0.00 | 1 | 0.01 | +http://www.google.com/bot.html,Yahoo! S... |
| 57 | 1 | 0.00 | 1 | 0.01 | Linux 2.4.x |
| 58 | 1 | 0.00 | 0 | 0.00 | Linux 2.0.x |
| 59 | 1 | 0.00 | 0 | 0.00 | BREW |
| 60 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 61 | 1 | 0.00 | 0 | 0.00 | Nintendo Wii |
| 62 | 1 | 0.00 | 1 | 0.01 | Solaris 7.x |
| 63 | 1 | 0.00 | 1 | 0.01 | Linux i586 [unknown version] |
| 64 | 1 | 0.00 | 1 | 0.01 | AmigaOS/MC680x0 |
| 65 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
