| Used Operating Systems by Visits |
| 1 | 11286 | 14.71 | 9209 | 47.71 | +http://www.baidu.com/search/spider.html |
| 2 | 18911 | 24.66 | 5740 | 29.74 | Windows NT |
| 3 | 3822 | 4.98 | 2535 | 13.13 | +http://www.google.com/bot.html |
| 4 | 540 | 0.70 | 318 | 1.65 | +http://ahrefs.com/robot/ |
| 5 | 5323 | 6.94 | 300 | 1.55 | +http://yandex.com/bots |
| 6 | 31859 | 41.54 | 246 | 1.27 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 227 | 0.30 | 197 | 1.02 | Windows 95 |
| 8 | 379 | 0.49 | 115 | 0.60 | +http://www.linkdex.com/bots/ |
| 9 | 255 | 0.33 | 101 | 0.52 | +http://www.bing.com/bingbot.htm |
| 10 | 2049 | 2.67 | 66 | 0.34 | +http://OpenLinkProfiler.org/bot |
| 11 | 47 | 0.06 | 45 | 0.23 | Auto; Windows |
| 12 | 161 | 0.21 | 44 | 0.23 | Windows 98 |
| 13 | 45 | 0.06 | 42 | 0.22 | Windows CE |
| 14 | 40 | 0.05 | 39 | 0.20 | Windows 3.1 |
| 15 | 38 | 0.05 | 38 | 0.20 | Windows 2000 |
| 16 | 35 | 0.05 | 32 | 0.17 | MSIE 5.5; Windows NT 5.0 |
| 17 | 31 | 0.04 | 31 | 0.16 | ) - BrowseX (2.0.0 Windows |
| 18 | 31 | 0.04 | 29 | 0.15 | Windows ME |
| 19 | 54 | 0.07 | 27 | 0.14 | +http://help.coccoc.com/ |
| 20 | 26 | 0.03 | 26 | 0.13 | MSIE 5.5; Windows NT 4.0 |
| 21 | 69 | 0.09 | 22 | 0.11 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 60 | 0.08 | 20 | 0.10 | +http://www.profound.net/domainappender |
| 23 | 24 | 0.03 | 11 | 0.06 | +http://www.exabot.com/go/robot |
| 24 | 38 | 0.05 | 10 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 25 | 31 | 0.04 | 10 | 0.05 | X11 |
| 26 | 19 | 0.02 | 8 | 0.04 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 27 | 44 | 0.06 | 7 | 0.04 | Windows XP |
| 28 | 10 | 0.01 | 5 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 5 | 0.01 | 5 | 0.03 | +http://domainsigma.com/robot |
| 30 | 507 | 0.66 | 4 | 0.02 | +http://www.warebay.com/bot.html |
| 31 | 9 | 0.01 | 3 | 0.02 | Android 2.3.5 |
| 32 | 2 | 0.00 | 2 | 0.01 | OpenBSD [unknown version] |
| 33 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 34 | 35 | 0.05 | 2 | 0.01 | +http://www.semrush.com/bot.html |
| 35 | 1 | 0.00 | 1 | 0.01 | http://www.lipperhey.com/ |
| 36 | 1 | 0.00 | 1 | 0.01 | Trident/5.0; Windows 98; InfoPath.2; FDM... |
| 37 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 38 | 4 | 0.01 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 39 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 40 | 10 | 0.01 | 1 | 0.01 | +http://www.linkpad.ru |
| 41 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows 98; SpamBlockerUtil... |
| 42 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 43 | 486 | 0.63 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 44 | 2 | 0.00 | 1 | 0.01 | +http://advbot.org/bot.html |
| 45 | 3 | 0.00 | 1 | 0.01 | +http://mediaeden.net |
| 46 | 161 | 0.21 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 47 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 48 | 2 | 0.00 | 0 | 0.00 | http://www.bing.com/bingbot.htm |
| 49 | 7 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 50 | 1 | 0.00 | 0 | 0.00 | Trident/6.0; Windows NT 6.1; .NET CLR 9.... |
| 51 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 52 | 1 | 0.00 | 0 | 0.00 | Trident/6.0; Windows 98; IEMB3 |
