| Used Operating Systems |
| 1 | 10869 | 34.94 | 148 | 2.42 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6190 | 19.90 | 474 | 7.77 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 5533 | 17.79 | 1288 | 21.10 | Windows NT |
| 4 | 2909 | 9.35 | 2594 | 42.50 | +http://www.baidu.com/search/spider.html |
| 5 | 1332 | 4.28 | 256 | 4.19 | +http://yandex.com/bots |
| 6 | 1208 | 3.88 | 455 | 7.45 | +http://www.bing.com/bingbot.htm |
| 7 | 829 | 2.67 | 432 | 7.08 | +http://www.google.com/bot.html |
| 8 | 470 | 1.51 | 127 | 2.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 243 | 0.78 | 51 | 0.84 | +http://www.linkdex.com/bots/ |
| 10 | 195 | 0.63 | 7 | 0.11 | J2ME/MIDP |
| 11 | 192 | 0.62 | 3 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 12 | 189 | 0.61 | 3 | 0.05 | +http://megaindex.com/crawler |
| 13 | 146 | 0.47 | 2 | 0.03 | Linux i686 [unknown version] |
| 14 | 128 | 0.41 | 2 | 0.03 | http://crawler.007ac9.net/ |
| 15 | 109 | 0.35 | 37 | 0.61 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 100 | 0.32 | 7 | 0.11 | Android |
| 17 | 100 | 0.32 | 76 | 1.25 | +http://ahrefs.com/robot/ |
| 18 | 59 | 0.19 | 48 | 0.79 | +http://www.uptime.com/uptimebot |
| 19 | 42 | 0.14 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 20 | 27 | 0.09 | 18 | 0.29 | Windows 95 |
| 21 | 27 | 0.09 | 0 | 0.00 | X11 |
| 22 | 25 | 0.08 | 13 | 0.21 | Windows XP |
| 23 | 22 | 0.07 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 24 | 21 | 0.07 | 3 | 0.05 | Android 2.3.5 |
| 25 | 20 | 0.06 | 9 | 0.15 | +http://help.coccoc.com/ |
| 26 | 20 | 0.06 | 10 | 0.16 | +http://www.exabot.com/go/robot |
| 27 | 16 | 0.05 | 8 | 0.13 | +http://duckduckgo.com |
| 28 | 15 | 0.05 | 3 | 0.05 | Windows ME |
| 29 | 12 | 0.04 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 30 | 10 | 0.03 | 3 | 0.05 | +https://deusu.de/robot.html |
| 31 | 9 | 0.03 | 3 | 0.05 | Windows 98 |
| 32 | 6 | 0.02 | 2 | 0.03 | +http://www.privacyaware.org |
| 33 | 5 | 0.02 | 2 | 0.03 | +http://www.semrush.com/bot.html |
| 34 | 4 | 0.01 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 35 | 3 | 0.01 | 3 | 0.05 | Windows CE |
| 36 | 3 | 0.01 | 3 | 0.05 | +http://pmoz.info/doc/botinfo.htm |
| 37 | 3 | 0.01 | 3 | 0.05 | Windows 3.1 |
| 38 | 3 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 39 | 1 | 0.00 | 1 | 0.02 | Windows 2000 |
| 40 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
| 41 | 1 | 0.00 | 1 | 0.02 | +https://gimmeusa.com/crawler.html |
| 42 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 43 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X |
| 44 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 46 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 47 | 1 | 0.00 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 48 | 1 | 0.00 | 1 | 0.02 | FreeBSD [unknown version] |
