| Used Operating Systems by Visits |
| 1 | 14274 | 73.44 | 3531 | 58.23 | Windows NT |
| 2 | 1985 | 10.21 | 1896 | 31.27 | +http://www.baidu.com/search/spider.html |
| 3 | 500 | 2.57 | 115 | 1.90 | +http://www.google.com/bot.html |
| 4 | 255 | 1.31 | 93 | 1.53 | +http://www.bing.com/bingbot.htm |
| 5 | 180 | 0.93 | 66 | 1.09 | help@moz.com |
| 6 | 458 | 2.36 | 63 | 1.04 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 174 | 0.90 | 60 | 0.99 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 242 | 1.25 | 44 | 0.73 | +http://yandex.com/bots |
| 9 | 73 | 0.38 | 39 | 0.64 | +http://www.easou.com/search/spider.html |
| 10 | 760 | 3.91 | 34 | 0.56 | Windows 98 |
| 11 | 46 | 0.24 | 19 | 0.31 | +http://www.exabot.com/go/robot |
| 12 | 43 | 0.22 | 18 | 0.30 | +http://www.linkdex.com/about/bots/ |
| 13 | 17 | 0.09 | 15 | 0.25 | Windows 95 |
| 14 | 9 | 0.05 | 9 | 0.15 | Windows 3.1 |
| 15 | 70 | 0.36 | 8 | 0.13 | X11 |
| 16 | 16 | 0.08 | 7 | 0.12 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 7 | 0.04 | 5 | 0.08 | Windows 2000 |
| 18 | 6 | 0.03 | 5 | 0.08 | Auto; Windows |
| 19 | 13 | 0.07 | 5 | 0.08 | +http://fulltext.sblog.cz/ |
| 20 | 4 | 0.02 | 4 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 21 | 4 | 0.02 | 4 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 22 | 45 | 0.23 | 3 | 0.05 | http://www.searchmetrics.com/en/searchme... |
| 23 | 120 | 0.62 | 3 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 24 | 2 | 0.01 | 2 | 0.03 | Windows CE |
| 25 | 21 | 0.11 | 2 | 0.03 | +http://siteexplorer.info/ |
| 26 | 4 | 0.02 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 27 | 6 | 0.03 | 1 | 0.02 | Linux [unknown version] |
| 28 | 1 | 0.01 | 1 | 0.02 | Windows ME |
| 29 | 2 | 0.01 | 1 | 0.02 | Windows XP |
| 30 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
| 31 | 1 | 0.01 | 1 | 0.02 | FreeBSD [unknown version] |
| 32 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 33 | 1 | 0.01 | 1 | 0.02 | +http://www.loadtime.net/bot.html |
| 34 | 37 | 0.19 | 1 | 0.02 | Android 2.3.5 |
| 35 | 32 | 0.16 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 36 | 6 | 0.03 | 1 | 0.02 | +http://spider.socialbm.net |
| 37 | 5 | 0.03 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 38 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 39 | 1 | 0.01 | 1 | 0.02 | Linux i586 [unknown version] |
| 40 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 41 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 42 | 4 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 43 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 44 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
