| Used Operating Systems |
| 1 | 8071 | 45.23 | 62 | 1.76 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5969 | 33.45 | 2052 | 58.11 | Windows NT |
| 3 | 974 | 5.46 | 943 | 26.71 | +http://www.baidu.com/search/spider.html |
| 4 | 947 | 5.31 | 157 | 4.45 | +http://www.google.com/bot.html |
| 5 | 600 | 3.36 | 13 | 0.37 | Windows 98 |
| 6 | 496 | 2.78 | 152 | 4.30 | +http://www.bing.com/bingbot.htm |
| 7 | 363 | 2.03 | 24 | 0.68 | +http://yandex.com/bots |
| 8 | 62 | 0.35 | 18 | 0.51 | X11 |
| 9 | 61 | 0.34 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 10 | 49 | 0.27 | 24 | 0.68 | help@moz.com |
| 11 | 41 | 0.23 | 16 | 0.45 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 33 | 0.18 | 1 | 0.03 | Series 60 |
| 13 | 20 | 0.11 | 19 | 0.54 | +http://www.easou.com/search/spider.html |
| 14 | 17 | 0.10 | 4 | 0.11 | Windows 95 |
| 15 | 15 | 0.08 | 2 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 16 | 15 | 0.08 | 2 | 0.06 | +http://www.linkdex.com/about/bots/ |
| 17 | 11 | 0.06 | 7 | 0.20 | Android 2.3.5 |
| 18 | 10 | 0.06 | 4 | 0.11 | +http://www.exabot.com/go/robot |
| 19 | 8 | 0.04 | 2 | 0.06 | Windows |
| 20 | 8 | 0.04 | 4 | 0.11 | http://crawler.sistrix.net/ |
| 21 | 7 | 0.04 | 2 | 0.06 | Linux [unknown version] |
| 22 | 7 | 0.04 | 1 | 0.03 | +http://www.seoprofiler.com/bot |
| 23 | 7 | 0.04 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 24 | 6 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 25 | 6 | 0.03 | 3 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 6 | 0.03 | 3 | 0.08 | +http://fulltext.sblog.cz/ |
| 27 | 5 | 0.03 | 0 | 0.00 | Win32 |
| 28 | 5 | 0.03 | 2 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 29 | 4 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 30 | 3 | 0.02 | 1 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 31 | 3 | 0.02 | 2 | 0.06 | Windows XP |
| 32 | 3 | 0.02 | 1 | 0.03 | +info@netcraft.com |
| 33 | 2 | 0.01 | 1 | 0.03 | +http://www.yunyun.com/spider.html |
| 34 | 2 | 0.01 | 2 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 35 | 1 | 0.01 | 1 | 0.03 | Windows CE |
| 36 | 1 | 0.01 | 1 | 0.03 | Windows 2000 |
| 37 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 38 | 1 | 0.01 | 1 | 0.03 | Windows ME |
| 39 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 40 | 1 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 41 | 1 | 0.01 | 1 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 42 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
| 43 | 1 | 0.01 | 1 | 0.03 | MSIE 5.5; Windows NT 5.0 |
