| Used Operating Systems by Visits |
| 1 | 101447 | 68.87 | 6535 | 42.85 | Windows NT |
| 2 | 2892 | 1.96 | 2462 | 16.14 | +http://www.baidu.com/search/spider.html |
| 3 | 12296 | 8.35 | 1784 | 11.70 | +http://www.bing.com/bingbot.htm |
| 4 | 6828 | 4.64 | 1542 | 10.11 | +http://www.google.com/bot.html |
| 5 | 2653 | 1.80 | 1044 | 6.85 | +http://www.easou.com/search/spider.html |
| 6 | 849 | 0.58 | 592 | 3.88 | +http://ahrefs.com/robot/ |
| 7 | 3551 | 2.41 | 243 | 1.59 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 1862 | 1.26 | 202 | 1.32 | +http://yandex.com/bots |
| 9 | 4903 | 3.33 | 136 | 0.89 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 769 | 0.52 | 131 | 0.86 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 169 | 0.11 | 115 | 0.75 | Windows 95 |
| 12 | 695 | 0.47 | 69 | 0.45 | Windows 98 |
| 13 | 83 | 0.06 | 54 | 0.35 | MSIE 5.5; Windows NT 5.0 |
| 14 | 55 | 0.04 | 45 | 0.30 | Windows 2000 |
| 15 | 282 | 0.19 | 45 | 0.30 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 35 | 0.02 | 28 | 0.18 | Windows 3.1 |
| 17 | 40 | 0.03 | 26 | 0.17 | +http://www.proximic.com/info/spider.php |
| 18 | 39 | 0.03 | 26 | 0.17 | Windows ME |
| 19 | 32 | 0.02 | 26 | 0.17 | MSIE 5.5; Windows NT 4.0 |
| 20 | 34 | 0.02 | 24 | 0.16 | Windows CE |
| 21 | 98 | 0.07 | 14 | 0.09 | +http://www.exabot.com/go/robot |
| 22 | 36 | 0.02 | 9 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 23 | 17 | 0.01 | 8 | 0.05 | X11 |
| 24 | 8 | 0.01 | 7 | 0.05 | Intel Mac OS X 10.6 |
| 25 | 14 | 0.01 | 7 | 0.05 | +http://fulltext.sblog.cz/ |
| 26 | 32 | 0.02 | 6 | 0.04 | Windows XP |
| 27 | 7 | 0.00 | 5 | 0.03 | Auto; Windows |
| 28 | 43 | 0.03 | 5 | 0.03 | +http://getdownload.ws |
| 29 | 5 | 0.00 | 5 | 0.03 | +http://tweetmeme.com/ |
| 30 | 1008 | 0.68 | 5 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 31 | 11 | 0.01 | 5 | 0.03 | Linux i686 [unknown version] |
| 32 | 10 | 0.01 | 5 | 0.03 | +http://wmaid.com/explore/ |
| 33 | 1998 | 1.36 | 4 | 0.03 | http://crawler.sistrix.net/ |
| 34 | 9 | 0.01 | 4 | 0.03 | Android 2.3.5 |
| 35 | 3016 | 2.05 | 4 | 0.03 | +http://webmeup-crawler.com/ |
| 36 | 10 | 0.01 | 4 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 37 | 23 | 0.02 | 3 | 0.02 | +http://overx50.com/ |
| 38 | 318 | 0.22 | 2 | 0.01 | PPC Mac OS X Mach-O |
| 39 | 20 | 0.01 | 2 | 0.01 | +http://freedlf.com/ |
| 40 | 20 | 0.01 | 2 | 0.01 | +http://inload.in |
| 41 | 18 | 0.01 | 2 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 42 | 805 | 0.55 | 2 | 0.01 | http://crawler.007ac9.net/ |
| 43 | 4 | 0.00 | 2 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 44 | 101 | 0.07 | 1 | 0.01 | PPC Mac OS X 10.4 |
| 45 | 2 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 46 | 2 | 0.00 | 1 | 0.01 | +http://support.embed.ly/ |
| 47 | 35 | 0.02 | 1 | 0.01 | Windows 92 |
| 48 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 49 | 60 | 0.04 | 1 | 0.01 | Windows Phone OS 7.5 |
| 50 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 51 | 1 | 0.00 | 1 | 0.01 | +http://www.loadtime.net/bot.html |
| 52 | 11 | 0.01 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 53 | 1 | 0.00 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 54 | 3 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 55 | 24 | 0.02 | 0 | 0.00 | documents; +http://docs.google.com |
| 56 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 57 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 58 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 59 | 6 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 60 | 6 | 0.00 | 0 | 0.00 | snap; +http://support.embed.ly/ |
