| Used Operating Systems |
| 1 | 9696 | 71.46 | 1043 | 46.11 | Windows NT |
| 2 | 836 | 6.16 | 266 | 11.76 | +http://www.google.com/bot.html |
| 3 | 673 | 4.96 | 474 | 20.95 | +http://www.baidu.com/search/spider.html |
| 4 | 618 | 4.55 | 137 | 6.06 | +http://www.bing.com/bingbot.htm |
| 5 | 450 | 3.32 | 1 | 0.04 | +http://www.warebay.com/bot.html |
| 6 | 288 | 2.12 | 22 | 0.97 | +http://fulltext.sblog.cz/ |
| 7 | 185 | 1.36 | 17 | 0.75 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 119 | 0.88 | 49 | 2.17 | +http://yandex.com/bots |
| 9 | 93 | 0.69 | 35 | 1.55 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 89 | 0.66 | 47 | 2.08 | Windows 95 |
| 11 | 84 | 0.62 | 16 | 0.71 | Windows 98 |
| 12 | 67 | 0.49 | 7 | 0.31 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 67 | 0.49 | 27 | 1.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 32 | 0.24 | 17 | 0.75 | Windows CE |
| 15 | 27 | 0.20 | 1 | 0.04 | +http://www.similartech.com/smtbot |
| 16 | 24 | 0.18 | 2 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 17 | 23 | 0.17 | 4 | 0.18 | +http://www.semrush.com/bot.html |
| 18 | 22 | 0.16 | 7 | 0.31 | Windows XP |
| 19 | 20 | 0.15 | 11 | 0.49 | MSIE 5.5; Windows NT 4.0 |
| 20 | 18 | 0.13 | 9 | 0.40 | +http://duckduckgo.com |
| 21 | 14 | 0.10 | 2 | 0.09 | +http://filterdb.iss.net/crawler/ |
| 22 | 14 | 0.10 | 7 | 0.31 | +http://www.meanpath.com/meanpathbot.htm... |
| 23 | 14 | 0.10 | 4 | 0.18 | +http://www.exabot.com/go/robot |
| 24 | 12 | 0.09 | 8 | 0.35 | Windows ME |
| 25 | 12 | 0.09 | 7 | 0.31 | Linux i686 [unknown version] |
| 26 | 12 | 0.09 | 10 | 0.44 | ) - BrowseX (2.0.0 Windows |
| 27 | 11 | 0.08 | 4 | 0.18 | Windows 3.1 |
| 28 | 9 | 0.07 | 7 | 0.31 | +http://ahrefs.com/robot/ |
| 29 | 8 | 0.06 | 4 | 0.18 | Windows 2000 |
| 30 | 8 | 0.06 | 4 | 0.18 | +http://gimmeusa-update.com/crawler |
| 31 | 4 | 0.03 | 4 | 0.18 | MSIE 5.5; Windows NT 5.0 |
| 32 | 2 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 33 | 2 | 0.01 | 0 | 0.00 | Auto; Windows |
| 34 | 2 | 0.01 | 0 | 0.00 | +http://image2play.com/ |
| 35 | 2 | 0.01 | 2 | 0.09 | Linux [unknown version] |
| 36 | 2 | 0.01 | 2 | 0.09 | PPC Mac OS X Mach-O |
| 37 | 2 | 0.01 | 2 | 0.09 | +info@netcraft.com |
| 38 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 39 | 2 | 0.01 | 2 | 0.09 | +http://www.grapeshot.co.uk/crawler.php |
| 40 | 2 | 0.01 | 0 | 0.00 | +http://advbot.org/bot.html |
| 41 | 1 | 0.01 | 1 | 0.04 | Linux i586 [unknown version] |
