| Used Operating Systems |
| 1 | 36871 | 60.15 | 219 | 1.79 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6644 | 10.84 | 3715 | 30.41 | Windows NT |
| 3 | 5405 | 8.82 | 4312 | 35.29 | +http://www.baidu.com/search/spider.html |
| 4 | 2606 | 4.25 | 1440 | 11.79 | +http://www.easou.com/search/spider.html |
| 5 | 1906 | 3.11 | 948 | 7.76 | +http://ahrefs.com/robot/ |
| 6 | 1777 | 2.90 | 273 | 2.23 | +http://yandex.com/bots |
| 7 | 1765 | 2.88 | 18 | 0.15 | +http://OpenLinkProfiler.org/bot |
| 8 | 1435 | 2.34 | 744 | 6.09 | +http://www.google.com/bot.html |
| 9 | 931 | 1.52 | 273 | 2.23 | +http://www.bing.com/bingbot.htm |
| 10 | 518 | 0.84 | 4 | 0.03 | +http://www.warebay.com/bot.html |
| 11 | 480 | 0.78 | 94 | 0.77 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 419 | 0.68 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 13 | 215 | 0.35 | 55 | 0.45 | +http://www.linkdex.com/bots/ |
| 14 | 91 | 0.15 | 60 | 0.49 | X11 |
| 15 | 82 | 0.13 | 20 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 66 | 0.11 | 2 | 0.02 | http://crawler.sistrix.net/ |
| 17 | 22 | 0.04 | 17 | 0.14 | Android 2.3.5 |
| 18 | 10 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 19 | 6 | 0.01 | 2 | 0.02 | +http://getdownload.ws |
| 20 | 6 | 0.01 | 1 | 0.01 | +http://www.exabot.com/go/robot |
| 21 | 5 | 0.01 | 4 | 0.03 | +info@netcraft.com |
| 22 | 5 | 0.01 | 1 | 0.01 | +http://tryload.in |
| 23 | 5 | 0.01 | 0 | 0.00 | Windows 98 |
| 24 | 4 | 0.01 | 3 | 0.02 | Linux i686 [unknown version] |
| 25 | 4 | 0.01 | 1 | 0.01 | +http://mydownloadengine.com |
| 26 | 3 | 0.00 | 1 | 0.01 | +http://downloaflare.biz |
| 27 | 3 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 28 | 3 | 0.00 | 1 | 0.01 | +http://overx50.com/ |
| 29 | 2 | 0.00 | 0 | 0.00 | Win32 |
| 30 | 2 | 0.00 | 2 | 0.02 | +http://wmaid.com/explore/ |
| 31 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 33 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 34 | 1 | 0.00 | 1 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 35 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 36 | 1 | 0.00 | 1 | 0.01 | Windows 95 |
| 37 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 38 | 1 | 0.00 | 0 | 0.00 | Trident/6.0; Windows NT 5.2; Dealio Tool... |
| 39 | 1 | 0.00 | 0 | 0.00 | IRIX 6.x |
| 40 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 41 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows 98; SpamBlockerUtil... |
