| Used Operating Systems |
| 1 | 20428 | 63.03 | 3164 | 42.68 | Windows NT |
| 2 | 3282 | 10.13 | 2419 | 32.63 | +http://www.baidu.com/search/spider.html |
| 3 | 1990 | 6.14 | 364 | 4.91 | http://www.yodao.com/help/webmaster/spid... |
| 4 | 1872 | 5.78 | 70 | 0.94 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1349 | 4.16 | 505 | 6.81 | +http://www.bing.com/bingbot.htm |
| 6 | 1015 | 3.13 | 341 | 4.60 | +http://www.google.com/bot.html |
| 7 | 397 | 1.23 | 86 | 1.16 | +http://yandex.com/bots |
| 8 | 392 | 1.21 | 107 | 1.44 | Windows 98 |
| 9 | 280 | 0.86 | 81 | 1.09 | ezooms.bot@gmail.com |
| 10 | 271 | 0.84 | 69 | 0.93 | Windows 95 |
| 11 | 108 | 0.33 | 2 | 0.03 | Intel Mac OS X 10.4 |
| 12 | 101 | 0.31 | 4 | 0.05 | Intel Mac OS X 10.5 |
| 13 | 79 | 0.24 | 18 | 0.24 | Windows 3.1 |
| 14 | 74 | 0.23 | 18 | 0.24 | Windows 2000 |
| 15 | 73 | 0.23 | 21 | 0.28 | Windows ME |
| 16 | 70 | 0.22 | 6 | 0.08 | Linux i686 [unknown version] |
| 17 | 69 | 0.21 | 7 | 0.09 | J2ME/MIDP |
| 18 | 67 | 0.21 | 22 | 0.30 | Windows XP |
| 19 | 66 | 0.20 | 15 | 0.20 | MSIE 5.5; Windows NT 4.0 |
| 20 | 56 | 0.17 | 18 | 0.24 | MSIE 5.5; Windows NT 5.0 |
| 21 | 50 | 0.15 | 4 | 0.05 | Intel Mac OS X 10.7 |
| 22 | 36 | 0.11 | 16 | 0.22 | Windows CE |
| 23 | 32 | 0.10 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 24 | 27 | 0.08 | 2 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 25 | 22 | 0.07 | 7 | 0.09 | +http://www.exabot.com/go/robot |
| 26 | 21 | 0.06 | 9 | 0.12 | http://crawler.sistrix.net/ |
| 27 | 20 | 0.06 | 4 | 0.05 | http://www.search17.com/bot.php |
| 28 | 20 | 0.06 | 4 | 0.05 | Intel Mac OS X 10.6 |
| 29 | 19 | 0.06 | 0 | 0.00 | http://desktop.google.com/ |
| 30 | 18 | 0.06 | 4 | 0.05 | +info@netcraft.com |
| 31 | 14 | 0.04 | 5 | 0.07 | +http://ahrefs.com/robot/ |
| 32 | 14 | 0.04 | 4 | 0.05 | Linux [unknown version] |
| 33 | 12 | 0.04 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 34 | 10 | 0.03 | 2 | 0.03 | +http://www.scoutjet.com/ |
| 35 | 9 | 0.03 | 1 | 0.01 | PPC Mac OS X 10.4 |
| 36 | 9 | 0.03 | 2 | 0.03 | X11 |
| 37 | 8 | 0.02 | 4 | 0.05 | FreeBSD [unknown version] |
| 38 | 6 | 0.02 | 2 | 0.03 | Solaris 2.6.x |
| 39 | 4 | 0.01 | 1 | 0.01 | +http://www.rexyo.com |
| 40 | 3 | 0.01 | 1 | 0.01 | http://www.nerdbynature.net/bot |
| 41 | 2 | 0.01 | 1 | 0.01 | http://www.yoono.com/ |
| 42 | 2 | 0.01 | 0 | 0.00 | +http://discoveryengine.com/discobot.htm... |
| 43 | 2 | 0.01 | 1 | 0.01 | http://support.paper.li/entries/20023257... |
| 44 | 2 | 0.01 | 0 | 0.00 | AOL 9.0; Windows NT 5.1; .NET CLR 1.1.43... |
| 45 | 2 | 0.01 | 1 | 0.01 | +http://www.seoprofiler.com/bot |
| 46 | 2 | 0.01 | 0 | 0.00 | +http://www.ask.com/about/help/webmaster... |
| 47 | 1 | 0.00 | 0 | 0.00 | Android |
| 48 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 49 | 1 | 0.00 | 0 | 0.00 | +http://tweetmeme.com/ |
