| Used Operating Systems |
| 1 | 4032 | 54.32 | 1947 | 60.19 | Windows NT |
| 2 | 1194 | 16.09 | 51 | 1.58 | Windows 98 |
| 3 | 990 | 13.34 | 866 | 26.77 | +http://www.baidu.com/search/spider.html |
| 4 | 300 | 4.04 | 84 | 2.60 | +http://yandex.com/bots |
| 5 | 283 | 3.81 | 125 | 3.86 | +http://www.bing.com/bingbot.htm |
| 6 | 238 | 3.21 | 20 | 0.62 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 102 | 1.37 | 27 | 0.83 | +http://www.google.com/bot.html |
| 8 | 91 | 1.23 | 35 | 1.08 | +http://www.exabot.com/go/robot |
| 9 | 57 | 0.77 | 20 | 0.62 | +http://www.linkdex.com/bots/ |
| 10 | 34 | 0.46 | 9 | 0.28 | Linux i686 [unknown version] |
| 11 | 13 | 0.18 | 2 | 0.06 | X11 |
| 12 | 11 | 0.15 | 9 | 0.28 | +http://wmaid.com/explore/ |
| 13 | 11 | 0.15 | 3 | 0.09 | +http://gimme60.com |
| 14 | 10 | 0.13 | 3 | 0.09 | Android 2.3.5 |
| 15 | 7 | 0.09 | 2 | 0.06 | Linux [unknown version] |
| 16 | 7 | 0.09 | 3 | 0.09 | Windows XP |
| 17 | 5 | 0.07 | 1 | 0.03 | +http://freedlf.com/ |
| 18 | 3 | 0.04 | 1 | 0.03 | Macintosh PPC |
| 19 | 3 | 0.04 | 1 | 0.03 | +http://getdownload.ws |
| 20 | 3 | 0.04 | 3 | 0.09 | +http://ego.ms.mff.cuni.cz/ |
| 21 | 2 | 0.03 | 1 | 0.03 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 22 | 2 | 0.03 | 2 | 0.06 | +http://www.ellerdale.com/crawler.html |
| 23 | 2 | 0.03 | 2 | 0.06 | +http://www.infohelfer.de/crawler.php |
| 24 | 2 | 0.03 | 1 | 0.03 | +info@netcraft.com |
| 25 | 2 | 0.03 | 1 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 1 | 0.01 | 1 | 0.03 | http://www.peew.de/crawler/ |
| 27 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 28 | 1 | 0.01 | 1 | 0.03 | +http://szukaj.onet.pl |
| 29 | 1 | 0.01 | 1 | 0.03 | +http://www.scoutjet.com/ |
| 30 | 1 | 0.01 | 1 | 0.03 | Intel Mac OS X 10.5 |
| 31 | 1 | 0.01 | 1 | 0.03 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 32 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 33 | 1 | 0.01 | 1 | 0.03 | +http://arachnys.com/ |
| 34 | 1 | 0.01 | 1 | 0.03 | +http://136.186.231.16 |
| 35 | 1 | 0.01 | 1 | 0.03 | TVMate; Linux 2.2 |
| 36 | 1 | 0.01 | 1 | 0.03 | +http://bixolabs.com/crawler/ptd/; crawl... |
| 37 | 1 | 0.01 | 1 | 0.03 | Windows 9x |
| 38 | 1 | 0.01 | 1 | 0.03 | Website Thumbnail Generator; +http://web... |
| 39 | 1 | 0.01 | 1 | 0.03 | WinHttp.WinHttpRequest.5 |
| 40 | 1 | 0.01 | 1 | 0.03 | +http://www.xmarks.com/about/crawler; in... |
| 41 | 1 | 0.01 | 1 | 0.03 | +http://begun.ru/begun/technology/indexe... |
| 42 | 1 | 0.01 | 1 | 0.03 | http://nlp.fi.muni.cz/projects/biwec/ |
| 43 | 1 | 0.01 | 1 | 0.03 | +http://www.alexa.com/help/webmasters; s... |
