| Used Operating Systems |
| 1 | 10207 | 55.97 | 4890 | 70.58 | Windows NT |
| 2 | 4722 | 25.89 | 78 | 1.13 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1565 | 8.58 | 1457 | 21.03 | +http://www.baidu.com/search/spider.html |
| 4 | 337 | 1.85 | 12 | 0.17 | Windows 98 |
| 5 | 330 | 1.81 | 184 | 2.66 | +http://www.bing.com/bingbot.htm |
| 6 | 218 | 1.20 | 55 | 0.79 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 166 | 0.91 | 39 | 0.56 | help@moz.com |
| 8 | 150 | 0.82 | 43 | 0.62 | +http://www.google.com/bot.html |
| 9 | 136 | 0.75 | 26 | 0.38 | +http://yandex.com/bots |
| 10 | 63 | 0.35 | 27 | 0.39 | X11 |
| 11 | 37 | 0.20 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 12 | 34 | 0.19 | 19 | 0.27 | Android 2.3.5 |
| 13 | 29 | 0.16 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 14 | 28 | 0.15 | 1 | 0.01 | http://www.lipperhey.com/ |
| 15 | 28 | 0.15 | 13 | 0.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 27 | 0.15 | 13 | 0.19 | +http://www.linkdex.com/bots/ |
| 17 | 20 | 0.11 | 10 | 0.14 | Linux i686 [unknown version] |
| 18 | 15 | 0.08 | 11 | 0.16 | Windows 95 |
| 19 | 12 | 0.07 | 4 | 0.06 | +http://www.linkdex.com/about/bots/ |
| 20 | 10 | 0.05 | 1 | 0.01 | J2ME/MIDP |
| 21 | 10 | 0.05 | 4 | 0.06 | Windows ME |
| 22 | 10 | 0.05 | 2 | 0.03 | +http://siteexplorer.info/ |
| 23 | 9 | 0.05 | 3 | 0.04 | Linux [unknown version] |
| 24 | 8 | 0.04 | 4 | 0.06 | +http://fulltext.sblog.cz/ |
| 25 | 7 | 0.04 | 2 | 0.03 | +http://ahrefs.com/robot/ |
| 26 | 6 | 0.03 | 2 | 0.03 | Windows XP |
| 27 | 5 | 0.03 | 3 | 0.04 | Windows CE |
| 28 | 5 | 0.03 | 1 | 0.01 | +http://u12files.com/ |
| 29 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 30 | 4 | 0.02 | 2 | 0.03 | +http://help.coccoc.com/ |
| 31 | 4 | 0.02 | 3 | 0.04 | Windows 3.1 |
| 32 | 3 | 0.02 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 33 | 2 | 0.01 | 2 | 0.03 | Auto; Windows |
| 34 | 2 | 0.01 | 1 | 0.01 | +http://www.proximic.com/info/spider.php |
| 35 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 36 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 37 | 2 | 0.01 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 38 | 2 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 39 | 2 | 0.01 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 40 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 41 | 1 | 0.01 | 1 | 0.01 | Windows 2000 |
| 42 | 1 | 0.01 | 1 | 0.01 | +http://www.evri.com/evrinid |
| 43 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 44 | 1 | 0.01 | 1 | 0.01 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 45 | 1 | 0.01 | 1 | 0.01 | +http://bixolabs.com/crawler/ptd/; crawl... |
| 46 | 1 | 0.01 | 1 | 0.01 | +http://www.ellerdale.com/crawler.html |
| 47 | 1 | 0.01 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 48 | 1 | 0.01 | 1 | 0.01 | +http://www.q0.com |
| 49 | 1 | 0.01 | 0 | 0.00 | +http://about.ask.com/en/docs/about/webm... |
| 50 | 1 | 0.01 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 51 | 1 | 0.01 | 0 | 0.00 | Windows 9x |
| 52 | 1 | 0.01 | 0 | 0.00 | +http://monoid.nic.ru/ |
| 53 | 1 | 0.01 | 1 | 0.01 | +http://www.alexa.com/help/webmasters; s... |
