| Used Operating Systems |
| 1 | 3527 | 31.24 | 3028 | 48.19 | +http://www.baidu.com/search/spider.html |
| 2 | 3431 | 30.39 | 1756 | 27.94 | Windows NT |
| 3 | 2045 | 18.11 | 825 | 13.13 | +http://www.google.com/bot.html |
| 4 | 908 | 8.04 | 144 | 2.29 | +http://yandex.com/bots |
| 5 | 679 | 6.01 | 269 | 4.28 | +http://www.bing.com/bingbot.htm |
| 6 | 145 | 1.28 | 86 | 1.37 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 72 | 0.64 | 24 | 0.38 | +http://www.meanpath.com/meanpathbot.htm... |
| 8 | 54 | 0.48 | 16 | 0.25 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 51 | 0.45 | 19 | 0.30 | +http://www.exabot.com/go/robot |
| 10 | 46 | 0.41 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 11 | 36 | 0.32 | 6 | 0.10 | http://www.searchmetrics.com/en/searchme... |
| 12 | 35 | 0.31 | 15 | 0.24 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 35 | 0.31 | 20 | 0.32 | +http://ahrefs.com/robot/ |
| 14 | 26 | 0.23 | 13 | 0.21 | +http://help.coccoc.com/ |
| 15 | 24 | 0.21 | 3 | 0.05 | +http://www.similartech.com/smtbot |
| 16 | 24 | 0.21 | 3 | 0.05 | http://crawler.007ac9.net/ |
| 17 | 16 | 0.14 | 4 | 0.06 | +http://plus5files.net |
| 18 | 15 | 0.13 | 4 | 0.06 | http://filterdb.iss.net/crawler/ |
| 19 | 14 | 0.12 | 7 | 0.11 | http://crawler.sistrix.net/ |
| 20 | 14 | 0.12 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 21 | 11 | 0.10 | 2 | 0.03 | X11 |
| 22 | 10 | 0.09 | 7 | 0.11 | +http://www.xovibot.net/ |
| 23 | 9 | 0.08 | 4 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 8 | 0.07 | 2 | 0.03 | +http://fulltext.sblog.cz/ |
| 25 | 6 | 0.05 | 1 | 0.02 | +http://www.domainoptima.com/robot |
| 26 | 5 | 0.04 | 1 | 0.02 | crawler@mixrank.com |
| 27 | 4 | 0.04 | 1 | 0.02 | +http://mono.name |
| 28 | 4 | 0.04 | 1 | 0.02 | +http://getdownload.ws |
| 29 | 4 | 0.04 | 1 | 0.02 | +http://galaxydownloads.co |
| 30 | 4 | 0.04 | 0 | 0.00 | +http://siteexplorer.info/ |
| 31 | 4 | 0.04 | 1 | 0.02 | +http://r4downloads.co |
| 32 | 3 | 0.03 | 2 | 0.03 | +info@netcraft.com |
| 33 | 3 | 0.03 | 1 | 0.02 | Windows 98 |
| 34 | 3 | 0.03 | 2 | 0.03 | +http://domainsigma.com/robot |
| 35 | 2 | 0.02 | 2 | 0.03 | Macintosh PPC |
| 36 | 2 | 0.02 | 2 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 37 | 2 | 0.02 | 1 | 0.02 | Windows 3.1 |
| 38 | 2 | 0.02 | 2 | 0.03 | Linux i686 [unknown version] |
| 39 | 1 | 0.01 | 1 | 0.02 | Win32 |
| 40 | 1 | 0.01 | 1 | 0.02 | Windows CE |
| 41 | 1 | 0.01 | 1 | 0.02 | Linux 2.4.x |
| 42 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 43 | 1 | 0.01 | 1 | 0.02 | +http://gimme60.com |
| 44 | 1 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 45 | 1 | 0.01 | 1 | 0.02 | Windows 95 |
| 46 | 1 | 0.01 | 1 | 0.02 | Windows Phone OS 7.5 |
