| Used Operating Systems |
| 1 | 19081 | 58.64 | 149 | 8.20 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 9276 | 28.51 | 787 | 43.34 | Windows NT |
| 3 | 1171 | 3.60 | 147 | 8.09 | +http://www.bing.com/bingbot.htm |
| 4 | 1170 | 3.60 | 276 | 15.20 | +http://www.google.com/bot.html |
| 5 | 284 | 0.87 | 153 | 8.43 | +http://www.baidu.com/search/spider.html |
| 6 | 274 | 0.84 | 12 | 0.66 | +http://fulltext.sblog.cz/ |
| 7 | 268 | 0.82 | 59 | 3.25 | +http://yandex.com/bots |
| 8 | 136 | 0.42 | 24 | 1.32 | Windows 98 |
| 9 | 133 | 0.41 | 1 | 0.06 | +http://megaindex.com/crawler |
| 10 | 112 | 0.34 | 31 | 1.71 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 101 | 0.31 | 42 | 2.31 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 84 | 0.26 | 24 | 1.32 | +http://ahrefs.com/robot/ |
| 13 | 49 | 0.15 | 17 | 0.94 | Windows XP |
| 14 | 39 | 0.12 | 7 | 0.39 | Linux i686 [unknown version] |
| 15 | 36 | 0.11 | 8 | 0.44 | +http://www.exabot.com/go/robot |
| 16 | 27 | 0.08 | 3 | 0.17 | FreeBSD [unknown version] |
| 17 | 24 | 0.07 | 6 | 0.33 | +http://www.profound.net/domainappender |
| 18 | 22 | 0.07 | 8 | 0.44 | Windows 95 |
| 19 | 21 | 0.06 | 12 | 0.66 | +http://www.linkdex.com/bots/ |
| 20 | 19 | 0.06 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 21 | 18 | 0.06 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 22 | 17 | 0.05 | 3 | 0.17 | Linux [unknown version] |
| 23 | 15 | 0.05 | 4 | 0.22 | MSIE 5.5; Windows NT 5.0 |
| 24 | 14 | 0.04 | 2 | 0.11 | +; |
| 25 | 14 | 0.04 | 7 | 0.39 | +http://duckduckgo.com |
| 26 | 13 | 0.04 | 1 | 0.06 | +https://www.lipperhey.com/en/about/ |
| 27 | 13 | 0.04 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 28 | 12 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 29 | 12 | 0.04 | 2 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 30 | 12 | 0.04 | 6 | 0.33 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 9 | 0.03 | 3 | 0.17 | Auto; Windows |
| 32 | 7 | 0.02 | 4 | 0.22 | X11 |
| 33 | 6 | 0.02 | 2 | 0.11 | Windows 2000 |
| 34 | 5 | 0.02 | 2 | 0.11 | Windows ME |
| 35 | 4 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 36 | 4 | 0.01 | 2 | 0.11 | J2ME/MIDP |
| 37 | 4 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 38 | 3 | 0.01 | 1 | 0.06 | Windows 3.1 |
| 39 | 2 | 0.01 | 0 | 0.00 | i686 Linux; 20021110 |
| 40 | 2 | 0.01 | 0 | 0.00 | i686 Linux; 20021004 |
| 41 | 2 | 0.01 | 0 | 0.00 | Windows |
| 42 | 2 | 0.01 | 2 | 0.11 | BeOS BePC |
| 43 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 44 | 2 | 0.01 | 0 | 0.00 | HP-UX B.11.x |
| 45 | 2 | 0.01 | 1 | 0.06 | +info@netcraft.com |
| 46 | 2 | 0.01 | 1 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 47 | 2 | 0.01 | 0 | 0.00 | i686 Linux; 20021115 |
| 48 | 2 | 0.01 | 0 | 0.00 | i686 Linux; 20020217 |
| 49 | 2 | 0.01 | 0 | 0.00 | i686 Linux; 20020620 |
| 50 | 2 | 0.01 | 2 | 0.11 | Linux i586 [unknown version] |
| 51 | 2 | 0.01 | 2 | 0.11 | +http://www.grapeshot.co.uk/crawler.php |
| 52 | 1 | 0.00 | 0 | 0.00 | Warp 4.5 |
| 53 | 1 | 0.00 | 1 | 0.06 | Linux 2.4.x |
| 54 | 1 | 0.00 | 1 | 0.06 | Nintendo Wii |
| 55 | 1 | 0.00 | 1 | 0.06 | Android 2.3.5 |
