| Used Operating Systems |
| 1 | 11478 | 31.34 | 208 | 3.23 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7499 | 20.48 | 284 | 4.42 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 5447 | 14.87 | 1649 | 25.64 | Windows NT |
| 4 | 3251 | 8.88 | 183 | 2.85 | +http://yandex.com/bots |
| 5 | 2634 | 7.19 | 2506 | 38.96 | +http://www.baidu.com/search/spider.html |
| 6 | 2387 | 6.52 | 186 | 2.89 | +http://www.semrush.com/bot.html |
| 7 | 1078 | 2.94 | 510 | 7.93 | +http://www.google.com/bot.html |
| 8 | 977 | 2.67 | 342 | 5.32 | +http://www.bing.com/bingbot.htm |
| 9 | 402 | 1.10 | 98 | 1.52 | +http://www.linkdex.com/bots/ |
| 10 | 275 | 0.75 | 130 | 2.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 192 | 0.52 | 3 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 12 | 147 | 0.40 | 3 | 0.05 | Linux i686 [unknown version] |
| 13 | 125 | 0.34 | 72 | 1.12 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 99 | 0.27 | 78 | 1.21 | +http://ahrefs.com/robot/ |
| 15 | 94 | 0.26 | 3 | 0.05 | J2ME/MIDP |
| 16 | 71 | 0.19 | 3 | 0.05 | Android |
| 17 | 63 | 0.17 | 1 | 0.02 | +http://megaindex.com/crawler |
| 18 | 60 | 0.16 | 1 | 0.02 | +http://www.linkpad.ru |
| 19 | 51 | 0.14 | 49 | 0.76 | Windows 95 |
| 20 | 35 | 0.10 | 4 | 0.06 | X11 |
| 21 | 34 | 0.09 | 3 | 0.05 | Windows Phone OS 7.5 |
| 22 | 29 | 0.08 | 20 | 0.31 | Windows 98 |
| 23 | 27 | 0.07 | 3 | 0.05 | +http://www.seokicks.de/robot.html |
| 24 | 20 | 0.05 | 7 | 0.11 | +http://napoveda.seznam.cz/en/seznambot-... |
| 25 | 13 | 0.04 | 2 | 0.03 | Android 2.3.5 |
| 26 | 12 | 0.03 | 1 | 0.02 | +https://www.dataprovider.com/ |
| 27 | 12 | 0.03 | 6 | 0.09 | +http://duckduckgo.com |
| 28 | 10 | 0.03 | 10 | 0.16 | Windows CE |
| 29 | 10 | 0.03 | 2 | 0.03 | +http://webmeup-crawler.com/ |
| 30 | 10 | 0.03 | 10 | 0.16 | ) - BrowseX (2.0.0 Windows |
| 31 | 9 | 0.02 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 32 | 7 | 0.02 | 7 | 0.11 | Windows ME |
| 33 | 6 | 0.02 | 6 | 0.09 | Windows 2000 |
| 34 | 6 | 0.02 | 6 | 0.09 | Windows 3.1 |
| 35 | 6 | 0.02 | 3 | 0.05 | +http://www.exabot.com/go/robot |
| 36 | 5 | 0.01 | 5 | 0.08 | Auto; Windows |
| 37 | 5 | 0.01 | 5 | 0.08 | Windows XP |
| 38 | 5 | 0.01 | 2 | 0.03 | +http://www.uptime.com/uptimebot |
| 39 | 4 | 0.01 | 4 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 40 | 4 | 0.01 | 1 | 0.02 | +http://siteexplorer.info/ |
| 41 | 3 | 0.01 | 3 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 42 | 2 | 0.01 | 1 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 43 | 2 | 0.01 | 2 | 0.03 | +http://glutenfreepleasure.com/ |
| 44 | 2 | 0.01 | 2 | 0.03 | Windows 2003 |
| 45 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 46 | 2 | 0.01 | 1 | 0.02 | +spider@seoscanners.net |
| 47 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 48 | 2 | 0.01 | 1 | 0.02 | +http://domainsigma.com/robot |
| 49 | 1 | 0.00 | 1 | 0.02 | +http://pmoz.info/doc/botinfo.htm |
| 50 | 1 | 0.00 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 51 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 52 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 53 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 54 | 1 | 0.00 | 1 | 0.02 | Windows 2006 |
