| Used Operating Systems |
| 1 | 15124 | 44.49 | 216 | 4.21 | +http://www.google.com/bot.html |
| 2 | 10127 | 29.79 | 2397 | 46.75 | Windows NT |
| 3 | 3700 | 10.88 | 54 | 1.05 | Windows 98 |
| 4 | 1989 | 5.85 | 1507 | 29.39 | +http://www.baidu.com/search/spider.html |
| 5 | 1004 | 2.95 | 141 | 2.75 | ezooms.bot@gmail.com |
| 6 | 382 | 1.12 | 127 | 2.48 | +http://www.bing.com/bingbot.htm |
| 7 | 270 | 0.79 | 33 | 0.64 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 248 | 0.73 | 247 | 4.82 | http://www.yodao.com/help/webmaster/spid... |
| 9 | 151 | 0.44 | 34 | 0.66 | +http://yandex.com/bots |
| 10 | 138 | 0.41 | 95 | 1.85 | Windows 95 |
| 11 | 110 | 0.32 | 0 | 0.00 | +http://www-935.ibm.com/services/us/inde... |
| 12 | 93 | 0.27 | 62 | 1.21 | Linux [unknown version] |
| 13 | 84 | 0.25 | 16 | 0.31 | Windows CE |
| 14 | 61 | 0.18 | 10 | 0.20 | +http://ahrefs.com/robot/ |
| 15 | 60 | 0.18 | 0 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 16 | 58 | 0.17 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 17 | 42 | 0.12 | 1 | 0.02 | http://www.lipperhey.com/ |
| 18 | 34 | 0.10 | 24 | 0.47 | Windows 3.1 |
| 19 | 34 | 0.10 | 12 | 0.23 | Linux i686 [unknown version] |
| 20 | 33 | 0.10 | 23 | 0.45 | Windows 2000 |
| 21 | 31 | 0.09 | 15 | 0.29 | http://www.youdao.com/help/webmaster/spi... |
| 22 | 30 | 0.09 | 22 | 0.43 | Windows ME |
| 23 | 27 | 0.08 | 18 | 0.35 | MSIE 5.5; Windows NT 4.0 |
| 24 | 26 | 0.08 | 17 | 0.33 | Windows XP |
| 25 | 24 | 0.07 | 18 | 0.35 | MSIE 5.5; Windows NT 5.0 |
| 26 | 21 | 0.06 | 3 | 0.06 | J2ME/MIDP |
| 27 | 19 | 0.06 | 8 | 0.16 | +http://discoveryengine.com/discobot.htm... |
| 28 | 16 | 0.05 | 8 | 0.16 | +http://www.exabot.com/go/robot |
| 29 | 10 | 0.03 | 5 | 0.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 30 | 9 | 0.03 | 1 | 0.02 | PPC Mac OS X Mach-O |
| 31 | 8 | 0.02 | 0 | 0.00 | Win32 |
| 32 | 5 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 33 | 4 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 34 | 4 | 0.01 | 0 | 0.00 | Linux 2.0.x |
| 35 | 3 | 0.01 | 1 | 0.02 | http://www.nerdbynature.net/bot |
| 36 | 3 | 0.01 | 1 | 0.02 | +http://www.aihit.com/ |
| 37 | 2 | 0.01 | 2 | 0.04 | +http://pmoz.info/doc/botinfo.htm |
| 38 | 2 | 0.01 | 2 | 0.04 | +http://www.seexie.com |
| 39 | 2 | 0.01 | 1 | 0.02 | +http://www.seoprofiler.com/bot |
| 40 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 41 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X |
| 42 | 1 | 0.00 | 1 | 0.02 | Intel Mac OS X 10.5 |
| 43 | 1 | 0.00 | 1 | 0.02 | PPC Mac OS X 10.4 |
| 44 | 1 | 0.00 | 0 | 0.00 | Windows |
| 45 | 1 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 46 | 1 | 0.00 | 1 | 0.02 | +http://www.baidu.66.249.71.154 - - [22/... |
| 47 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 48 | 1 | 0.00 | 1 | 0.02 | FreeBSD [unknown version] |
