| Used Operating Systems by Visits |
| 1 | 7708 | 19.88 | 3949 | 50.21 | Windows NT |
| 2 | 2823 | 7.28 | 2124 | 27.01 | +http://www.baidu.com/search/spider.html |
| 3 | 24372 | 62.85 | 275 | 3.50 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 455 | 1.17 | 253 | 3.22 | +http://www.bing.com/bingbot.htm |
| 5 | 983 | 2.53 | 218 | 2.77 | +http://yandex.com/bots |
| 6 | 617 | 1.59 | 197 | 2.50 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 517 | 1.33 | 187 | 2.38 | +http://www.google.com/bot.html |
| 8 | 573 | 1.48 | 180 | 2.29 | +http://www.linkdex.com/bots/ |
| 9 | 159 | 0.41 | 138 | 1.75 | Windows 95 |
| 10 | 94 | 0.24 | 57 | 0.72 | +http://ahrefs.com/robot/ |
| 11 | 93 | 0.24 | 30 | 0.38 | Windows 98 |
| 12 | 31 | 0.08 | 29 | 0.37 | Windows ME |
| 13 | 31 | 0.08 | 27 | 0.34 | Auto; Windows |
| 14 | 25 | 0.06 | 24 | 0.31 | MSIE 5.5; Windows NT 5.0 |
| 15 | 25 | 0.06 | 23 | 0.29 | MSIE 5.5; Windows NT 4.0 |
| 16 | 18 | 0.05 | 18 | 0.23 | Windows CE |
| 17 | 18 | 0.05 | 18 | 0.23 | Windows 2000 |
| 18 | 20 | 0.05 | 17 | 0.22 | Windows 3.1 |
| 19 | 29 | 0.07 | 13 | 0.17 | +http://www.exabot.com/go/robot |
| 20 | 12 | 0.03 | 12 | 0.15 | ) - BrowseX (2.0.0 Windows |
| 21 | 19 | 0.05 | 9 | 0.11 | X11 |
| 22 | 10 | 0.03 | 6 | 0.08 | Android 2.3.5 |
| 23 | 10 | 0.03 | 5 | 0.06 | support.orangebot@orange.com |
| 24 | 14 | 0.04 | 4 | 0.05 | Android |
| 25 | 4 | 0.01 | 4 | 0.05 | +http://www.parsijoo.ir/; ehsanmousa@par... |
| 26 | 8 | 0.02 | 4 | 0.05 | +http://help.coccoc.com/ |
| 27 | 34 | 0.09 | 4 | 0.05 | Windows XP |
| 28 | 4 | 0.01 | 4 | 0.05 | Linux i686 [unknown version] |
| 29 | 8 | 0.02 | 4 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 30 | 8 | 0.02 | 4 | 0.05 | +http://fulltext.sblog.cz/ |
| 31 | 3 | 0.01 | 3 | 0.04 | PPC Mac OS X Mach-O |
| 32 | 4 | 0.01 | 3 | 0.04 | +http://www.semrush.com/bot.html |
| 33 | 4 | 0.01 | 2 | 0.03 | J2ME/MIDP |
| 34 | 12 | 0.03 | 2 | 0.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 35 | 5 | 0.01 | 2 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 36 | 2 | 0.01 | 2 | 0.03 | Linux [unknown version] |
| 37 | 6 | 0.02 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 38 | 1 | 0.00 | 1 | 0.01 | crawler@mixrank.com |
| 39 | 2 | 0.01 | 1 | 0.01 | Series 60 |
| 40 | 1 | 0.00 | 1 | 0.01 | +http://www.seograph.net/bot.html |
| 41 | 2 | 0.01 | 1 | 0.01 | +http://gimmeusa-update.com/crawler |
| 42 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 43 | 2 | 0.01 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 44 | 2 | 0.01 | 1 | 0.01 | +http://www.findxbot.com |
| 45 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 46 | 1 | 0.00 | 1 | 0.01 | +http://www.xovibot.net/ |
| 47 | 2 | 0.01 | 1 | 0.01 | +http://advbot.org/bot.html |
| 48 | 2 | 0.01 | 1 | 0.01 | MAUI Runtime |
| 49 | 1 | 0.00 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 50 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
