| Used Operating Systems |
| 1 | 33558 | 48.28 | 4915 | 35.56 | Windows NT |
| 2 | 8944 | 12.87 | 1959 | 14.17 | +http://www.bing.com/bingbot.htm |
| 3 | 4681 | 6.73 | 117 | 0.85 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 3363 | 4.84 | 1119 | 8.10 | +http://www.google.com/bot.html |
| 5 | 2863 | 4.12 | 2337 | 16.91 | +http://www.baidu.com/search/spider.html |
| 6 | 2491 | 3.58 | 1125 | 8.14 | +http://www.easou.com/search/spider.html |
| 7 | 2417 | 3.48 | 353 | 2.55 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 2326 | 3.35 | 29 | 0.21 | +http://siteexplorer.info/ |
| 9 | 2006 | 2.89 | 5 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 10 | 1977 | 2.84 | 119 | 0.86 | +http://yandex.com/bots |
| 11 | 996 | 1.43 | 187 | 1.35 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 757 | 1.09 | 589 | 4.26 | +http://ahrefs.com/robot/ |
| 13 | 559 | 0.80 | 1 | 0.01 | +http://www.linkpad.ru |
| 14 | 457 | 0.66 | 298 | 2.16 | Windows 95 |
| 15 | 401 | 0.58 | 67 | 0.48 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 400 | 0.58 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 17 | 287 | 0.41 | 34 | 0.25 | Windows 98 |
| 18 | 120 | 0.17 | 32 | 0.23 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 91 | 0.13 | 65 | 0.47 | Windows ME |
| 20 | 85 | 0.12 | 67 | 0.48 | MSIE 5.5; Windows NT 5.0 |
| 21 | 81 | 0.12 | 64 | 0.46 | Windows CE |
| 22 | 76 | 0.11 | 64 | 0.46 | Auto; Windows |
| 23 | 75 | 0.11 | 3 | 0.02 | Windows XP |
| 24 | 73 | 0.11 | 51 | 0.37 | Windows 3.1 |
| 25 | 68 | 0.10 | 61 | 0.44 | ) - BrowseX (2.0.0 Windows |
| 26 | 64 | 0.09 | 55 | 0.40 | MSIE 5.5; Windows NT 4.0 |
| 27 | 50 | 0.07 | 41 | 0.30 | Windows 2000 |
| 28 | 41 | 0.06 | 8 | 0.06 | +http://www.exabot.com/go/robot |
| 29 | 23 | 0.03 | 10 | 0.07 | Linux i686 [unknown version] |
| 30 | 19 | 0.03 | 2 | 0.01 | +http://mydownloadengine.com |
| 31 | 18 | 0.03 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 32 | 16 | 0.02 | 2 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 33 | 16 | 0.02 | 7 | 0.05 | +http://fulltext.sblog.cz/ |
| 34 | 15 | 0.02 | 2 | 0.01 | +http://uni5download.com |
| 35 | 14 | 0.02 | 2 | 0.01 | +http://overx50.com |
| 36 | 11 | 0.02 | 2 | 0.01 | +http://downloaflare.biz |
| 37 | 10 | 0.01 | 2 | 0.01 | +http://getdownload.ws |
| 38 | 7 | 0.01 | 3 | 0.02 | +http://www.proximic.com/info/spider.php |
| 39 | 7 | 0.01 | 5 | 0.04 | +http://www.xovibot.net/ |
| 40 | 7 | 0.01 | 2 | 0.01 | X11 |
| 41 | 6 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 42 | 6 | 0.01 | 2 | 0.01 | +http://inload.me |
| 43 | 4 | 0.01 | 3 | 0.02 | Linux [unknown version] |
| 44 | 4 | 0.01 | 2 | 0.01 | +http://wmaid.com/explore/ |
| 45 | 3 | 0.00 | 2 | 0.01 | PPC Mac OS X Mach-O |
| 46 | 3 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 47 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 48 | 2 | 0.00 | 2 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 49 | 2 | 0.00 | 0 | 0.00 | +http://help.coccoc.com/ |
| 50 | 2 | 0.00 | 1 | 0.01 | Android 2.3.5 |
| 51 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 52 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 53 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 54 | 1 | 0.00 | 0 | 0.00 | Dyatel |
| 55 | 1 | 0.00 | 1 | 0.01 | i686 Linux; 20020217 |
