| Used Operating Systems |
| 1 | 19045 | 75.64 | 3336 | 58.24 | Windows NT |
| 2 | 1991 | 7.91 | 1757 | 30.67 | +http://www.baidu.com/search/spider.html |
| 3 | 1941 | 7.71 | 43 | 0.75 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 630 | 2.50 | 177 | 3.09 | +http://www.google.com/bot.html |
| 5 | 604 | 2.40 | 170 | 2.97 | +http://www.bing.com/bingbot.htm |
| 6 | 290 | 1.15 | 100 | 1.75 | +http://www.linkdex.com/bots/ |
| 7 | 206 | 0.82 | 26 | 0.45 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 181 | 0.72 | 30 | 0.52 | +http://yandex.com/bots |
| 9 | 25 | 0.10 | 17 | 0.30 | X11 |
| 10 | 24 | 0.10 | 3 | 0.05 | Linux [unknown version] |
| 11 | 20 | 0.08 | 1 | 0.02 | http://crawler.007ac9.net/ |
| 12 | 18 | 0.07 | 3 | 0.05 | +http://ahrefs.com/robot/ |
| 13 | 17 | 0.07 | 2 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 16 | 0.06 | 2 | 0.03 | Linux i686 [unknown version] |
| 15 | 12 | 0.05 | 4 | 0.07 | +http://www.exabot.com/go/robot |
| 16 | 10 | 0.04 | 3 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 10 | 0.04 | 4 | 0.07 | +http://www.proximic.com/info/spider.php |
| 18 | 10 | 0.04 | 8 | 0.14 | Android 2.3.5 |
| 19 | 10 | 0.04 | 2 | 0.03 | +http://tryload.in |
| 20 | 9 | 0.04 | 2 | 0.03 | Windows Phone OS 7.5 |
| 21 | 9 | 0.04 | 3 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 22 | 9 | 0.04 | 0 | 0.00 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 23 | 9 | 0.04 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 24 | 8 | 0.03 | 4 | 0.07 | http://crawler.sistrix.net/ |
| 25 | 6 | 0.02 | 0 | 0.00 | J2ME/MIDP |
| 26 | 6 | 0.02 | 2 | 0.03 | Windows ME |
| 27 | 5 | 0.02 | 2 | 0.03 | Windows 98 |
| 28 | 4 | 0.02 | 1 | 0.02 | +http://uni5download.com |
| 29 | 4 | 0.02 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 30 | 4 | 0.02 | 2 | 0.03 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 31 | 4 | 0.02 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 32 | 4 | 0.02 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 33 | 4 | 0.02 | 2 | 0.03 | +http://fulltext.sblog.cz/ |
| 34 | 3 | 0.01 | 1 | 0.02 | +http://getdownload.ws |
| 35 | 3 | 0.01 | 1 | 0.02 | +http://downloaflare.biz |
| 36 | 3 | 0.01 | 3 | 0.05 | Windows XP |
| 37 | 3 | 0.01 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 38 | 2 | 0.01 | 2 | 0.03 | Windows 2000 |
| 39 | 2 | 0.01 | 2 | 0.03 | Windows CE |
| 40 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 41 | 2 | 0.01 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.30; Windows NT 6.... |
| 42 | 2 | 0.01 | 2 | 0.03 | Windows 3.1 |
| 43 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 44 | 2 | 0.01 | 2 | 0.03 | +http://wmaid.com/explore/ |
| 45 | 2 | 0.01 | 0 | 0.00 | Macintosh |
| 46 | 1 | 0.00 | 1 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 47 | 1 | 0.00 | 1 | 0.02 | Intel Mac OS X 10.4 |
| 48 | 1 | 0.00 | 1 | 0.02 | Linux i586 [unknown version] |
| 49 | 1 | 0.00 | 1 | 0.02 | Windows 95 |
