| Used Operating Systems |
| 1 | 15743 | 79.16 | 4352 | 67.08 | Windows NT |
| 2 | 1468 | 7.38 | 1400 | 21.58 | +http://www.baidu.com/search/spider.html |
| 3 | 1037 | 5.21 | 72 | 1.11 | Windows 98 |
| 4 | 500 | 2.51 | 192 | 2.96 | +http://www.bing.com/bingbot.htm |
| 5 | 377 | 1.90 | 214 | 3.30 | +http://www.google.com/bot.html |
| 6 | 173 | 0.87 | 30 | 0.46 | +http://yandex.com/bots |
| 7 | 75 | 0.38 | 4 | 0.06 | X11 |
| 8 | 58 | 0.29 | 9 | 0.14 | +http://ahrefs.com/robot/ |
| 9 | 47 | 0.24 | 4 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 47 | 0.24 | 47 | 0.72 | Windows 95 |
| 11 | 46 | 0.23 | 22 | 0.34 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 41 | 0.21 | 1 | 0.02 | Android 2.3.5 |
| 13 | 34 | 0.17 | 12 | 0.18 | http://www.majestic12.co.uk/bot.php?+ |
| 14 | 28 | 0.14 | 9 | 0.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 24 | 0.12 | 6 | 0.09 | +http://www.profound.net/urlappendbot.ht... |
| 16 | 22 | 0.11 | 11 | 0.17 | +http://www.career-x.de/bot.html |
| 17 | 13 | 0.07 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 18 | 11 | 0.06 | 11 | 0.17 | MSIE 5.5; Windows NT 5.0 |
| 19 | 11 | 0.06 | 6 | 0.09 | +http://www.semrush.com/bot.html |
| 20 | 10 | 0.05 | 10 | 0.15 | Windows CE |
| 21 | 10 | 0.05 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 22 | 10 | 0.05 | 5 | 0.08 | +http://www.exabot.com/go/robot |
| 23 | 9 | 0.05 | 9 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 24 | 8 | 0.04 | 7 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 25 | 7 | 0.04 | 7 | 0.11 | Windows 2000 |
| 26 | 7 | 0.04 | 7 | 0.11 | Windows ME |
| 27 | 7 | 0.04 | 7 | 0.11 | +http://wmaid.com/explore/ |
| 28 | 6 | 0.03 | 6 | 0.09 | Auto; Windows |
| 29 | 6 | 0.03 | 3 | 0.05 | http://crawler.sistrix.net/ |
| 30 | 6 | 0.03 | 5 | 0.08 | Windows 3.1 |
| 31 | 6 | 0.03 | 3 | 0.05 | +http://fulltext.sblog.cz/ |
| 32 | 5 | 0.03 | 2 | 0.03 | +http://help.coccoc.com/ |
| 33 | 5 | 0.03 | 1 | 0.02 | +http://freedlf.com/ |
| 34 | 5 | 0.03 | 2 | 0.03 | +http://gimme60.com |
| 35 | 5 | 0.03 | 1 | 0.02 | Windows 90 |
| 36 | 3 | 0.02 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 37 | 3 | 0.02 | 3 | 0.05 | Windows XP |
| 38 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 2 | 0.01 | 1 | 0.02 | +http://www.linkpad.ru |
| 40 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 41 | 2 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 43 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 44 | 1 | 0.01 | 1 | 0.02 | +http://136.186.231.16 |
| 45 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 46 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
