| Used Operating Systems |
| 1 | 8001 | 36.31 | 3047 | 48.55 | Windows NT |
| 2 | 4159 | 18.88 | 299 | 4.76 | help@moz.com |
| 3 | 3636 | 16.50 | 159 | 2.53 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 2344 | 10.64 | 1867 | 29.75 | +http://www.baidu.com/search/spider.html |
| 5 | 920 | 4.18 | 247 | 3.94 | +http://www.google.com/bot.html |
| 6 | 916 | 4.16 | 52 | 0.83 | +http://yandex.com/bots |
| 7 | 660 | 3.00 | 57 | 0.91 | ezooms.bot@gmail.com |
| 8 | 531 | 2.41 | 117 | 1.86 | +http://www.bing.com/bingbot.htm |
| 9 | 147 | 0.67 | 78 | 1.24 | Windows 95 |
| 10 | 103 | 0.47 | 88 | 1.40 | +http://www.linkdex.com/about/bots/ |
| 11 | 79 | 0.36 | 39 | 0.62 | +http://www.easou.com/search/spider.html |
| 12 | 60 | 0.27 | 14 | 0.22 | Windows 98 |
| 13 | 50 | 0.23 | 25 | 0.40 | +http://help.coccoc.com/ |
| 14 | 41 | 0.19 | 23 | 0.37 | Windows 2000 |
| 15 | 39 | 0.18 | 16 | 0.25 | Windows ME |
| 16 | 36 | 0.16 | 18 | 0.29 | MSIE 5.5; Windows NT 4.0 |
| 17 | 33 | 0.15 | 4 | 0.06 | X11 |
| 18 | 30 | 0.14 | 23 | 0.37 | Windows CE |
| 19 | 30 | 0.14 | 17 | 0.27 | MSIE 5.5; Windows NT 5.0 |
| 20 | 28 | 0.13 | 7 | 0.11 | Windows XP |
| 21 | 26 | 0.12 | 13 | 0.21 | +http://www.career-x.de/bot.html |
| 22 | 24 | 0.11 | 11 | 0.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 20 | 0.09 | 12 | 0.19 | Windows 3.1 |
| 24 | 16 | 0.07 | 5 | 0.08 | +http://www.semrush.com/bot.html |
| 25 | 11 | 0.05 | 5 | 0.08 | http://crawler.sistrix.net/ |
| 26 | 10 | 0.05 | 0 | 0.00 | FreeBSD [unknown version] |
| 27 | 10 | 0.05 | 3 | 0.05 | Android 2.3.5 |
| 28 | 10 | 0.05 | 5 | 0.08 | +http://www.seoprofiler.com/bot |
| 29 | 10 | 0.05 | 5 | 0.08 | +http://www.exabot.com/go/robot |
| 30 | 10 | 0.05 | 5 | 0.08 | +http://fulltext.sblog.cz/ |
| 31 | 6 | 0.03 | 3 | 0.05 | crawler@nigma.ru |
| 32 | 5 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 33 | 4 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 34 | 4 | 0.02 | 1 | 0.02 | http://www.dataprovider.com/ |
| 35 | 3 | 0.01 | 0 | 0.00 | +http://www.yunyun.com/SiteInfo.php?r=ab... |
| 36 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 37 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 38 | 2 | 0.01 | 1 | 0.02 | +http://www.yunyun.com/spider.html |
| 39 | 2 | 0.01 | 1 | 0.02 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 40 | 2 | 0.01 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 41 | 2 | 0.01 | 1 | 0.02 | crawler@unister.de |
| 42 | 2 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 43 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 44 | 2 | 0.01 | 1 | 0.02 | +http://siteexplorer.info/ |
| 45 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 46 | 1 | 0.00 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 47 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
| 48 | 1 | 0.00 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
