| Used Operating Systems |
| 1 | 6341 | 25.07 | 2331 | 32.06 | Windows NT |
| 2 | 3394 | 13.42 | 95 | 1.31 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 3156 | 12.48 | 2504 | 34.44 | +http://www.baidu.com/search/spider.html |
| 4 | 2624 | 10.37 | 3 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 5 | 2006 | 7.93 | 2 | 0.03 | http://crawler.007ac9.net/ |
| 6 | 1857 | 7.34 | 1017 | 13.99 | +http://www.easou.com/search/spider.html |
| 7 | 1783 | 7.05 | 341 | 4.69 | +http://ahrefs.com/robot/ |
| 8 | 1241 | 4.91 | 225 | 3.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 985 | 3.89 | 328 | 4.51 | +http://www.google.com/bot.html |
| 10 | 579 | 2.29 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 11 | 431 | 1.70 | 68 | 0.94 | +http://yandex.com/bots |
| 12 | 276 | 1.09 | 121 | 1.66 | +http://www.bing.com/bingbot.htm |
| 13 | 226 | 0.89 | 52 | 0.72 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 84 | 0.33 | 37 | 0.51 | +http://www.exabot.com/go/robot |
| 15 | 81 | 0.32 | 49 | 0.67 | +http://www.xovibot.net/ |
| 16 | 70 | 0.28 | 23 | 0.32 | +http://www.linkdex.com/bots/ |
| 17 | 42 | 0.17 | 21 | 0.29 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 29 | 0.11 | 9 | 0.12 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 12 | 0.05 | 6 | 0.08 | +http://www.semrush.com/bot.html |
| 20 | 11 | 0.04 | 3 | 0.04 | +http://fulltext.sblog.cz/ |
| 21 | 8 | 0.03 | 2 | 0.03 | +http://plus5files.net |
| 22 | 8 | 0.03 | 2 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 23 | 6 | 0.02 | 4 | 0.06 | X11 |
| 24 | 5 | 0.02 | 5 | 0.07 | Windows 95 |
| 25 | 5 | 0.02 | 4 | 0.06 | +info@netcraft.com |
| 26 | 4 | 0.02 | 1 | 0.01 | +http://mono.name |
| 27 | 4 | 0.02 | 1 | 0.01 | +http://getdownload.ws |
| 28 | 4 | 0.02 | 1 | 0.01 | +http://wmaid.com/en/explore/ |
| 29 | 3 | 0.01 | 3 | 0.04 | Windows 3.1 |
| 30 | 3 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 31 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 32 | 2 | 0.01 | 2 | 0.03 | Windows 2000 |
| 33 | 2 | 0.01 | 2 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 34 | 2 | 0.01 | 2 | 0.03 | Linux [unknown version] |
| 35 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 36 | 1 | 0.00 | 1 | 0.01 | Windows XP |
| 37 | 1 | 0.00 | 0 | 0.00 | Windows 98 |
| 38 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 39 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 40 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 41 | 1 | 0.00 | 1 | 0.01 | +http://gimme60.com |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://wmaid.com/explore/ |
