| Used Operating Systems by Visits |
| 1 | 4387 | 16.06 | 3341 | 34.70 | +http://www.baidu.com/search/spider.html |
| 2 | 7198 | 26.35 | 2973 | 30.88 | Windows NT |
| 3 | 2646 | 9.69 | 1281 | 13.30 | +http://www.easou.com/search/spider.html |
| 4 | 1522 | 5.57 | 320 | 3.32 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 689 | 2.52 | 313 | 3.25 | +http://www.google.com/bot.html |
| 6 | 2076 | 7.60 | 288 | 2.99 | +http://yandex.com/bots |
| 7 | 465 | 1.70 | 230 | 2.39 | +http://www.bing.com/bingbot.htm |
| 8 | 6889 | 25.22 | 212 | 2.20 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 289 | 1.06 | 185 | 1.92 | Windows 95 |
| 10 | 180 | 0.66 | 59 | 0.61 | +http://www.linkdex.com/bots/ |
| 11 | 61 | 0.22 | 53 | 0.55 | ) - BrowseX (2.0.0 Windows |
| 12 | 50 | 0.18 | 44 | 0.46 | MSIE 5.5; Windows NT 5.0 |
| 13 | 51 | 0.19 | 40 | 0.42 | Windows CE |
| 14 | 51 | 0.19 | 40 | 0.42 | MSIE 5.5; Windows NT 4.0 |
| 15 | 48 | 0.18 | 39 | 0.41 | Windows 2000 |
| 16 | 61 | 0.22 | 38 | 0.39 | Windows ME |
| 17 | 39 | 0.14 | 31 | 0.32 | Auto; Windows |
| 18 | 41 | 0.15 | 31 | 0.32 | Windows 3.1 |
| 19 | 115 | 0.42 | 19 | 0.20 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 219 | 0.80 | 14 | 0.15 | Windows 98 |
| 21 | 28 | 0.10 | 14 | 0.15 | +http://www.meanpath.com/meanpathbot.htm... |
| 22 | 26 | 0.10 | 11 | 0.11 | Android |
| 23 | 14 | 0.05 | 7 | 0.07 | +http://www.career-x.de/bot.html |
| 24 | 17 | 0.06 | 7 | 0.07 | +http://www.exabot.com/go/robot |
| 25 | 11 | 0.04 | 5 | 0.05 | +http://ahrefs.com/robot/ |
| 26 | 8 | 0.03 | 5 | 0.05 | X11 |
| 27 | 8 | 0.03 | 4 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 28 | 10 | 0.04 | 4 | 0.04 | +http://fulltext.sblog.cz/ |
| 29 | 4 | 0.01 | 2 | 0.02 | Series 60 |
| 30 | 6 | 0.02 | 2 | 0.02 | J2ME/MIDP |
| 31 | 4 | 0.01 | 2 | 0.02 | +http://help.coccoc.com/ |
| 32 | 4 | 0.01 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 33 | 4 | 0.01 | 2 | 0.02 | +http://wmaid.com/explore/ |
| 34 | 6 | 0.02 | 2 | 0.02 | +http://inload.me |
| 35 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows NT 5.0; MyIE2 |
| 36 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows 98; .NET CLR 1.1.88... |
| 37 | 4 | 0.01 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 38 | 1 | 0.00 | 1 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 39 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows NT 5.2; InfoPath.2;... |
| 40 | 58 | 0.21 | 1 | 0.01 | Windows XP |
| 41 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 42 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 43 | 2 | 0.01 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 44 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 45 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 46 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 48 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 49 | 5 | 0.02 | 0 | 0.00 | +http://siteexplorer.info/ |
| 50 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
