| Used Operating Systems |
| 1 | 27407 | 32.34 | 204 | 1.99 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 20236 | 23.88 | 663 | 6.46 | +http://ahrefs.com/robot/ |
| 3 | 12593 | 14.86 | 1616 | 15.75 | Windows NT |
| 4 | 7355 | 8.68 | 5595 | 54.52 | +http://www.baidu.com/search/spider.html |
| 5 | 6429 | 7.59 | 106 | 1.03 | +http://yandex.com/bots |
| 6 | 4562 | 5.38 | 1480 | 14.42 | +http://www.easou.com/search/spider.html |
| 7 | 3003 | 3.54 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 8 | 769 | 0.91 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 9 | 720 | 0.85 | 108 | 1.05 | +http://www.bing.com/bingbot.htm |
| 10 | 504 | 0.59 | 108 | 1.05 | +http://www.linkdex.com/bots/ |
| 11 | 419 | 0.49 | 154 | 1.50 | +http://www.google.com/bot.html |
| 12 | 287 | 0.34 | 37 | 0.36 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 144 | 0.17 | 0 | 0.00 | FreeBSD [unknown version] |
| 14 | 59 | 0.07 | 29 | 0.28 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 33 | 0.04 | 33 | 0.32 | Windows 95 |
| 16 | 31 | 0.04 | 19 | 0.19 | Windows 98 |
| 17 | 15 | 0.02 | 15 | 0.15 | Windows ME |
| 18 | 15 | 0.02 | 2 | 0.02 | Linux i686 [unknown version] |
| 19 | 15 | 0.02 | 11 | 0.11 | X11 |
| 20 | 14 | 0.02 | 7 | 0.07 | http://crawler.sistrix.net/ |
| 21 | 12 | 0.01 | 4 | 0.04 | +http://downloaflare.biz |
| 22 | 11 | 0.01 | 5 | 0.05 | Android 2.3.5 |
| 23 | 10 | 0.01 | 2 | 0.02 | +http://overx50.com |
| 24 | 10 | 0.01 | 6 | 0.06 | Windows XP |
| 25 | 10 | 0.01 | 2 | 0.02 | +http://tryload.in |
| 26 | 9 | 0.01 | 9 | 0.09 | Windows 2000 |
| 27 | 9 | 0.01 | 3 | 0.03 | +http://getdownload.ws |
| 28 | 8 | 0.01 | 8 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 29 | 7 | 0.01 | 7 | 0.07 | Auto; Windows |
| 30 | 7 | 0.01 | 5 | 0.05 | +http://wmaid.com/explore/ |
| 31 | 6 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 32 | 6 | 0.01 | 6 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 33 | 4 | 0.00 | 0 | 0.00 | info@muso.com; +http://www.muso.com |
| 34 | 4 | 0.00 | 3 | 0.03 | Windows 3.1 |
| 35 | 4 | 0.00 | 0 | 0.00 | America Online Browser 1.1; rev1.5; Wind... |
| 36 | 4 | 0.00 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 37 | 2 | 0.00 | 2 | 0.02 | Windows CE |
| 38 | 2 | 0.00 | 2 | 0.02 | Linux [unknown version] |
| 39 | 2 | 0.00 | 2 | 0.02 | Intel Mac OS X 10.4 |
| 40 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 41 | 2 | 0.00 | 0 | 0.00 | Macintosh |
| 42 | 2 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 43 | 2 | 0.00 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
