| Used Operating Systems |
| 1 | 6598 | 27.42 | 112 | 1.82 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6071 | 25.23 | 527 | 8.58 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 3613 | 15.02 | 1374 | 22.37 | Windows NT |
| 4 | 2571 | 10.69 | 2477 | 40.34 | +http://www.baidu.com/search/spider.html |
| 5 | 1243 | 5.17 | 593 | 9.66 | +http://www.google.com/bot.html |
| 6 | 1058 | 4.40 | 396 | 6.45 | +http://www.bing.com/bingbot.htm |
| 7 | 775 | 3.22 | 74 | 1.21 | +http://www.semrush.com/bot.html |
| 8 | 613 | 2.55 | 202 | 3.29 | +http://yandex.com/bots |
| 9 | 460 | 1.91 | 154 | 2.51 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 248 | 1.03 | 64 | 1.04 | +http://www.linkdex.com/bots/ |
| 11 | 148 | 0.62 | 4 | 0.07 | Linux [unknown version] |
| 12 | 97 | 0.40 | 8 | 0.13 | Windows Phone OS 7.5 |
| 13 | 96 | 0.40 | 10 | 0.16 | Android |
| 14 | 82 | 0.34 | 68 | 1.11 | +http://ahrefs.com/robot/ |
| 15 | 68 | 0.28 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 16 | 65 | 0.27 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 17 | 63 | 0.26 | 1 | 0.02 | +http://megaindex.com/crawler |
| 18 | 28 | 0.12 | 14 | 0.23 | +http://help.coccoc.com/ |
| 19 | 24 | 0.10 | 12 | 0.20 | X11 |
| 20 | 21 | 0.09 | 9 | 0.15 | +http://fulltext.sblog.cz/ |
| 21 | 18 | 0.07 | 3 | 0.05 | Linux i686 [unknown version] |
| 22 | 15 | 0.06 | 8 | 0.13 | +http://www.exabot.com/go/robot |
| 23 | 14 | 0.06 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 24 | 9 | 0.04 | 1 | 0.02 | J2ME/MIDP |
| 25 | 9 | 0.04 | 4 | 0.07 | http://www.botje.com/plukkie.htm |
| 26 | 8 | 0.03 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 27 | 8 | 0.03 | 4 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 6 | 0.02 | 1 | 0.02 | Android 2.3.5 |
| 29 | 4 | 0.02 | 2 | 0.03 | +http://duckduckgo.com |
| 30 | 3 | 0.01 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 31 | 3 | 0.01 | 2 | 0.03 | Windows 98 |
| 32 | 2 | 0.01 | 1 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 33 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 2 | 0.01 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 35 | 2 | 0.01 | 2 | 0.03 | Windows 95 |
| 36 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 37 | 1 | 0.00 | 1 | 0.02 | Windows CE |
| 38 | 1 | 0.00 | 1 | 0.02 | Windows 2000 |
| 39 | 1 | 0.00 | 1 | 0.02 | +http://sur.ly/bot.html |
| 40 | 1 | 0.00 | 0 | 0.00 | +http://glutenfreepleasure.com/ |
| 41 | 1 | 0.00 | 1 | 0.02 | +http://pmoz.info/doc/botinfo.htm |
| 42 | 1 | 0.00 | 1 | 0.02 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 43 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 44 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 45 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 46 | 1 | 0.00 | 1 | 0.02 | Windows 3.1 |
| 47 | 1 | 0.00 | 0 | 0.00 | Windows XP |
