| Used Operating Systems |
| 1 | 18359 | 32.07 | 2335 | 29.08 | Windows NT |
| 2 | 17985 | 31.42 | 2307 | 28.73 | +http://ahrefs.com/robot/ |
| 3 | 5283 | 9.23 | 63 | 0.78 | http://mj12bot.com/ |
| 4 | 3650 | 6.38 | 406 | 5.06 | +http://www.bing.com/bingbot.htm |
| 5 | 3060 | 5.35 | 31 | 0.39 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 2934 | 5.13 | 343 | 4.27 | +http://www.google.com/bot.html |
| 7 | 2725 | 4.76 | 1591 | 19.82 | +http://www.baidu.com/search/spider.html |
| 8 | 601 | 1.05 | 25 | 0.31 | +http://napoveda.seznam.cz/en/seznambot-... |
| 9 | 531 | 0.93 | 49 | 0.61 | +http://yandex.com/bots |
| 10 | 325 | 0.57 | 12 | 0.15 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 294 | 0.51 | 233 | 2.90 | Windows 95 |
| 12 | 204 | 0.36 | 6 | 0.07 | +http://www.semrush.com/bot.html |
| 13 | 188 | 0.33 | 147 | 1.83 | +http://www.linkdex.com/bots/ |
| 14 | 165 | 0.29 | 41 | 0.51 | Windows 98 |
| 15 | 81 | 0.14 | 9 | 0.11 | +http://www.seokicks.de/robot.html |
| 16 | 68 | 0.12 | 19 | 0.24 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 64 | 0.11 | 4 | 0.05 | +http://help.coccoc.com/searchengine |
| 18 | 52 | 0.09 | 49 | 0.61 | MSIE 5.5; Windows NT 4.0 |
| 19 | 51 | 0.09 | 48 | 0.60 | Windows 2000 |
| 20 | 51 | 0.09 | 46 | 0.57 | ) - BrowseX (2.0.0 Windows |
| 21 | 50 | 0.09 | 46 | 0.57 | Windows CE |
| 22 | 45 | 0.08 | 7 | 0.09 | +http://siteexplorer.info/Backlink-Check... |
| 23 | 45 | 0.08 | 3 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 24 | 43 | 0.08 | 38 | 0.47 | Windows ME |
| 25 | 43 | 0.08 | 42 | 0.52 | MSIE 5.5; Windows NT 5.0 |
| 26 | 42 | 0.07 | 39 | 0.49 | Auto; Windows |
| 27 | 40 | 0.07 | 9 | 0.11 | Windows XP |
| 28 | 40 | 0.07 | 4 | 0.05 | +http://webmeup-crawler.com/ |
| 29 | 37 | 0.06 | 31 | 0.39 | Windows 3.1 |
| 30 | 35 | 0.06 | 7 | 0.09 | +http://www.profound.net/domainappender |
| 31 | 20 | 0.03 | 10 | 0.12 | http://www.searchmetrics.com/en/searchme... |
| 32 | 19 | 0.03 | 5 | 0.06 | +http://www.exabot.com/go/robot |
| 33 | 18 | 0.03 | 2 | 0.02 | +http://www.similartech.com/smtbot |
| 34 | 12 | 0.02 | 6 | 0.07 | +http://duckduckgo.com |
| 35 | 11 | 0.02 | 0 | 0.00 | S60 |
| 36 | 10 | 0.02 | 1 | 0.01 | http://www.similartech.com/smtbot |
| 37 | 8 | 0.01 | 2 | 0.02 | +https://www.mojeek.com/bot.html |
| 38 | 8 | 0.01 | 1 | 0.01 | Linux i686 [unknown version] |
| 39 | 8 | 0.01 | 0 | 0.00 | X11 |
| 40 | 7 | 0.01 | 0 | 0.00 | Android 2.2 |
| 41 | 5 | 0.01 | 3 | 0.04 | +http://sur.ly/bot.html |
| 42 | 5 | 0.01 | 4 | 0.05 | +info@netcraft.com |
| 43 | 3 | 0.01 | 0 | 0.00 | Android |
| 44 | 3 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 45 | 2 | 0.00 | 0 | 0.00 | Android 2.3.3 |
| 46 | 2 | 0.00 | 1 | 0.01 | +spider@seoscanners.net |
| 47 | 2 | 0.00 | 0 | 0.00 | Android 2.3.4 |
| 48 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 49 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 50 | 1 | 0.00 | 0 | 0.00 | X11; Linux x86_64; pl |
| 51 | 1 | 0.00 | 0 | 0.00 | Windows Phone OS 7.5 |
| 52 | 1 | 0.00 | 0 | 0.00 | Android 4.1 |
| 53 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 54 | 1 | 0.00 | 0 | 0.00 | Android 2.2.1 |
| 55 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 56 | 1 | 0.00 | 1 | 0.01 | actually this is http://ismyblogworking.... |
| 57 | 1 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
