| Used Operating Systems |
| 1 | 45637 | 83.64 | 4437 | 69.09 | Windows NT |
| 2 | 1820 | 3.34 | 48 | 0.75 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1772 | 3.25 | 1287 | 20.04 | +http://www.baidu.com/search/spider.html |
| 4 | 1391 | 2.55 | 96 | 1.49 | +http://www.google.com/bot.html |
| 5 | 1017 | 1.86 | 27 | 0.42 | Windows 98 |
| 6 | 786 | 1.44 | 203 | 3.16 | +http://www.bing.com/bingbot.htm |
| 7 | 651 | 1.19 | 19 | 0.30 | +http://yandex.com/bots |
| 8 | 491 | 0.90 | 110 | 1.71 | help@moz.com |
| 9 | 353 | 0.65 | 2 | 0.03 | Android |
| 10 | 164 | 0.30 | 16 | 0.25 | Intel Mac OS X 10.6 |
| 11 | 95 | 0.17 | 34 | 0.53 | +http://www.linkdex.com/about/bots/ |
| 12 | 58 | 0.11 | 11 | 0.17 | X11 |
| 13 | 43 | 0.08 | 11 | 0.17 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 34 | 0.06 | 13 | 0.20 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 34 | 0.06 | 15 | 0.23 | +http://www.exabot.com/go/robot |
| 16 | 32 | 0.06 | 9 | 0.14 | +http://fulltext.sblog.cz/ |
| 17 | 29 | 0.05 | 22 | 0.34 | Windows 95 |
| 18 | 24 | 0.04 | 2 | 0.03 | Android 2.3.5 |
| 19 | 18 | 0.03 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 20 | 12 | 0.02 | 4 | 0.06 | +http://www.profound.net/urlappendbot.ht... |
| 21 | 10 | 0.02 | 2 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 22 | 10 | 0.02 | 9 | 0.14 | MSIE 5.5; Windows NT 5.0 |
| 23 | 8 | 0.01 | 4 | 0.06 | http://crawler.sistrix.net/ |
| 24 | 8 | 0.01 | 6 | 0.09 | Windows 3.1 |
| 25 | 7 | 0.01 | 0 | 0.00 | Windows XP |
| 26 | 6 | 0.01 | 6 | 0.09 | Windows CE |
| 27 | 6 | 0.01 | 6 | 0.09 | Windows 2000 |
| 28 | 5 | 0.01 | 3 | 0.05 | Linux i686 [unknown version] |
| 29 | 4 | 0.01 | 2 | 0.03 | +http://help.coccoc.com/ |
| 30 | 4 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 31 | 4 | 0.01 | 3 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 32 | 3 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 33 | 3 | 0.01 | 2 | 0.03 | +http://www.loadtime.net/bot.html |
| 34 | 3 | 0.01 | 1 | 0.02 | WinHttp.WinHttpRequest.5 |
| 35 | 2 | 0.00 | 0 | 0.00 | Win32 |
| 36 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 37 | 2 | 0.00 | 2 | 0.03 | +http://www.easou.com/search/spider.html |
| 38 | 2 | 0.00 | 2 | 0.03 | Windows ME |
| 39 | 2 | 0.00 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 40 | 2 | 0.00 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 41 | 2 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 1 | 0.00 | 1 | 0.02 | mailto: crawling@ubermetrics-technologie... |
| 43 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
| 44 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 45 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 46 | 1 | 0.00 | 1 | 0.02 | +info@netcraft.com |
