| Used Operating Systems |
| 1 | 17842 | 70.46 | 156 | 7.26 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3251 | 12.84 | 508 | 23.64 | Windows NT |
| 3 | 1513 | 5.97 | 1038 | 48.30 | +http://www.baidu.com/search/spider.html |
| 4 | 591 | 2.33 | 224 | 10.42 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 5 | 487 | 1.92 | 7 | 0.33 | +http://www.bing.com/bingbot.htm |
| 6 | 472 | 1.86 | 80 | 3.72 | +http://yandex.com/bots |
| 7 | 335 | 1.32 | 82 | 3.82 | +http://www.linkdex.com/bots/ |
| 8 | 314 | 1.24 | 14 | 0.65 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 148 | 0.58 | 18 | 0.84 | +http://www.google.com/bot.html |
| 10 | 75 | 0.30 | 5 | 0.23 | Windows 95 |
| 11 | 57 | 0.23 | 0 | 0.00 | Windows 98 |
| 12 | 47 | 0.19 | 0 | 0.00 | Crawler; +http://www.google.com/bot.html |
| 13 | 43 | 0.17 | 6 | 0.28 | +http://www.exabot.com/go/robot |
| 14 | 18 | 0.07 | 1 | 0.05 | Windows CE |
| 15 | 14 | 0.06 | 0 | 0.00 | Windows 2000 |
| 16 | 14 | 0.06 | 0 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 17 | 13 | 0.05 | 1 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 18 | 12 | 0.05 | 0 | 0.00 | Auto; Windows |
| 19 | 12 | 0.05 | 0 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 20 | 10 | 0.04 | 0 | 0.00 | Windows XP |
| 21 | 10 | 0.04 | 0 | 0.00 | +http://www.meanpath.com/meanpathbot.htm... |
| 22 | 8 | 0.03 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 23 | 6 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 24 | 4 | 0.02 | 0 | 0.00 | Windows ME |
| 25 | 4 | 0.02 | 0 | 0.00 | Windows 3.1 |
| 26 | 4 | 0.02 | 4 | 0.19 | Linux i686 [unknown version] |
| 27 | 3 | 0.01 | 0 | 0.00 | +http://www.seograph.net/bot.html |
| 28 | 3 | 0.01 | 0 | 0.00 | +info@netcraft.com |
| 29 | 2 | 0.01 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 30 | 2 | 0.01 | 1 | 0.05 | Linux [unknown version] |
| 31 | 2 | 0.01 | 1 | 0.05 | PPC Mac OS X Mach-O |
| 32 | 2 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 33 | 2 | 0.01 | 1 | 0.05 | +http://fulltext.sblog.cz/ |
| 34 | 2 | 0.01 | 2 | 0.09 | Linux i586 [unknown version] |
| 35 | 1 | 0.00 | 0 | 0.00 | http://nmap.org/book/nse.html |
