| Used Operating Systems |
| 1 | 21477 | 47.03 | 220 | 2.50 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6939 | 15.20 | 3469 | 39.45 | Windows NT |
| 3 | 4677 | 10.24 | 365 | 4.15 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 4304 | 9.43 | 3034 | 34.50 | +http://www.baidu.com/search/spider.html |
| 5 | 3009 | 6.59 | 3 | 0.03 | http://crawler.007ac9.net/ |
| 6 | 1003 | 2.20 | 18 | 0.20 | +http://OpenLinkProfiler.org/bot |
| 7 | 804 | 1.76 | 556 | 6.32 | +http://www.easou.com/search/spider.html |
| 8 | 728 | 1.59 | 79 | 0.90 | +http://yandex.com/bots |
| 9 | 688 | 1.51 | 359 | 4.08 | +http://www.google.com/bot.html |
| 10 | 660 | 1.45 | 189 | 2.15 | +http://www.linkdex.com/bots/ |
| 11 | 435 | 0.95 | 194 | 2.21 | +http://www.bing.com/bingbot.htm |
| 12 | 399 | 0.87 | 94 | 1.07 | +http://ahrefs.com/robot/ |
| 13 | 218 | 0.48 | 88 | 1.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 110 | 0.24 | 32 | 0.36 | +http://www.exabot.com/go/robot |
| 15 | 46 | 0.10 | 12 | 0.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 38 | 0.08 | 19 | 0.22 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 21 | 0.05 | 8 | 0.09 | Windows 98 |
| 18 | 20 | 0.04 | 7 | 0.08 | X11 |
| 19 | 11 | 0.02 | 2 | 0.02 | Android 2.3.5 |
| 20 | 10 | 0.02 | 5 | 0.06 | http://crawler.sistrix.net/ |
| 21 | 8 | 0.02 | 2 | 0.02 | +http://plus5files.net |
| 22 | 8 | 0.02 | 7 | 0.08 | +info@netcraft.com |
| 23 | 6 | 0.01 | 5 | 0.06 | Windows 95 |
| 24 | 4 | 0.01 | 4 | 0.05 | Windows 2000 |
| 25 | 4 | 0.01 | 1 | 0.01 | +http://uni5download.com |
| 26 | 4 | 0.01 | 1 | 0.01 | +http://mono.name |
| 27 | 4 | 0.01 | 1 | 0.01 | +http://galaxydownloads.co |
| 28 | 4 | 0.01 | 2 | 0.02 | Windows XP |
| 29 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 30 | 3 | 0.01 | 1 | 0.01 | +http://opendownload.pw |
| 31 | 2 | 0.00 | 2 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 32 | 2 | 0.00 | 2 | 0.02 | Linux [unknown version] |
| 33 | 2 | 0.00 | 2 | 0.02 | Windows ME |
| 34 | 2 | 0.00 | 2 | 0.02 | Linux i686 [unknown version] |
| 35 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 36 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 37 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 38 | 1 | 0.00 | 1 | 0.01 | http://www.lipperhey.com/ |
| 39 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows NT 5.0; SpamBlocker... |
| 40 | 1 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
| 41 | 1 | 0.00 | 1 | 0.01 | actually this is http://ismyblogworking.... |
| 42 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 43 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
