| Used Operating Systems |
| 1 | 21036 | 32.85 | 173 | 8.89 | http://mj12bot.com/ |
| 2 | 13774 | 21.51 | 288 | 14.79 | Windows NT |
| 3 | 9519 | 14.86 | 3 | 0.15 | +http://megaindex.com/crawler |
| 4 | 7600 | 11.87 | 166 | 8.53 | +http://ahrefs.com/robot/ |
| 5 | 3448 | 5.38 | 187 | 9.60 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 3105 | 4.85 | 186 | 9.55 | +http://yandex.com/bots |
| 7 | 2008 | 3.14 | 6 | 0.31 | +http://OpenLinkProfiler.org/bot |
| 8 | 732 | 1.14 | 369 | 18.95 | +http://www.baidu.com/search/spider.html |
| 9 | 620 | 0.97 | 139 | 7.14 | +http://www.linkdex.com/bots/ |
| 10 | 568 | 0.89 | 157 | 8.06 | +http://www.google.com/bot.html |
| 11 | 340 | 0.53 | 54 | 2.77 | +http://www.lumtel.com/bot/ |
| 12 | 229 | 0.36 | 108 | 5.55 | +http://www.bing.com/bingbot.htm |
| 13 | 174 | 0.27 | 0 | 0.00 | Windows 95 |
| 14 | 139 | 0.22 | 25 | 1.28 | +http://www.semrush.com/bot.html |
| 15 | 109 | 0.17 | 11 | 0.56 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 106 | 0.17 | 0 | 0.00 | Windows 98 |
| 17 | 63 | 0.10 | 12 | 0.62 | +http://siteexplorer.info/Backlink-Check... |
| 18 | 47 | 0.07 | 0 | 0.00 | Auto; Windows |
| 19 | 38 | 0.06 | 4 | 0.21 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 36 | 0.06 | 4 | 0.21 | +http://www.seokicks.de/robot.html |
| 21 | 32 | 0.05 | 2 | 0.10 | Windows ME |
| 22 | 28 | 0.04 | 6 | 0.31 | +http://napoveda.seznam.cz/en/seznambot-... |
| 23 | 24 | 0.04 | 0 | 0.00 | Windows 2000 |
| 24 | 23 | 0.04 | 0 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 25 | 22 | 0.03 | 0 | 0.00 | Windows CE |
| 26 | 20 | 0.03 | 0 | 0.00 | Windows XP |
| 27 | 18 | 0.03 | 0 | 0.00 | Windows 3.1 |
| 28 | 18 | 0.03 | 0 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 29 | 16 | 0.02 | 8 | 0.41 | +http://www.findxbot.com |
| 30 | 15 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 31 | 15 | 0.02 | 9 | 0.46 | +http://www.uptime.com/uptimebot |
| 32 | 14 | 0.02 | 4 | 0.21 | Linux i686 [unknown version] |
| 33 | 11 | 0.02 | 7 | 0.36 | +http://sur.ly/bot.html |
| 34 | 10 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 35 | 10 | 0.02 | 6 | 0.31 | Linux [unknown version] |
| 36 | 8 | 0.01 | 0 | 0.00 | X11 |
| 37 | 8 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 38 | 6 | 0.01 | 0 | 0.00 | Windows 9x |
| 39 | 4 | 0.01 | 2 | 0.10 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 40 | 4 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 41 | 4 | 0.01 | 2 | 0.10 | Android 4.1 |
| 42 | 4 | 0.01 | 2 | 0.10 | http://www.majestic12.co.uk/bot.php?+ |
| 43 | 4 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 44 | 4 | 0.01 | 0 | 0.00 | Macintosh |
| 45 | 4 | 0.01 | 0 | 0.00 | +http://www.exabot.com/go/robot |
| 46 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 47 | 2 | 0.00 | 1 | 0.05 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 48 | 2 | 0.00 | 2 | 0.10 | Solaris 2.6.x |
| 49 | 2 | 0.00 | 2 | 0.10 | Intel Mac OS X |
| 50 | 2 | 0.00 | 0 | 0.00 | SunOS i86pc |
| 51 | 2 | 0.00 | 0 | 0.00 | Solaris 2.5.x |
| 52 | 2 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 53 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X |
| 54 | 2 | 0.00 | 0 | 0.00 | OpenSolaris |
| 55 | 2 | 0.00 | 2 | 0.10 | +info@netcraft.com |
| 56 | 2 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows ME |
| 57 | 2 | 0.00 | 0 | 0.00 | AIX 0048013C4C00 |
| 58 | 2 | 0.00 | 0 | 0.00 | Linux i586 [unknown version] |
| 59 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
