| Used Operating Systems |
| 1 | 8152 | 54.68 | 1340 | 28.64 | Windows NT |
| 2 | 2056 | 13.79 | 1840 | 39.33 | +http://www.baidu.com/search/spider.html |
| 3 | 1490 | 9.99 | 533 | 11.39 | +http://www.google.com/bot.html |
| 4 | 1033 | 6.93 | 170 | 3.63 | +http://yandex.com/bots |
| 5 | 346 | 2.32 | 67 | 1.43 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 309 | 2.07 | 308 | 6.58 | http://www.yodao.com/help/webmaster/spid... |
| 7 | 297 | 1.99 | 139 | 2.97 | +http://www.bing.com/bingbot.htm |
| 8 | 192 | 1.29 | 2 | 0.04 | admin@lemurproject.org ; +http://boston.... |
| 9 | 133 | 0.89 | 5 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 123 | 0.83 | 61 | 1.30 | Windows 98 |
| 11 | 103 | 0.69 | 6 | 0.13 | Linux i686 [unknown version] |
| 12 | 85 | 0.57 | 38 | 0.81 | ezooms.bot@gmail.com |
| 13 | 83 | 0.56 | 4 | 0.09 | Intel Mac OS X 10.5 |
| 14 | 80 | 0.54 | 71 | 1.52 | Windows 95 |
| 15 | 62 | 0.42 | 3 | 0.06 | +http://www.scoutjet.com/ |
| 16 | 49 | 0.33 | 2 | 0.04 | Linux [unknown version] |
| 17 | 45 | 0.30 | 5 | 0.11 | +http://ahrefs.com/robot/ |
| 18 | 42 | 0.28 | 2 | 0.04 | Series 60 |
| 19 | 39 | 0.26 | 5 | 0.11 | Intel Mac OS X 10.6 |
| 20 | 22 | 0.15 | 1 | 0.02 | PPC Mac OS X 10.5 |
| 21 | 21 | 0.14 | 1 | 0.02 | J2ME/MIDP |
| 22 | 18 | 0.12 | 8 | 0.17 | +http://www.seoprofiler.com/bot |
| 23 | 13 | 0.09 | 8 | 0.17 | Windows XP |
| 24 | 13 | 0.09 | 13 | 0.28 | MSIE 5.5; Windows NT 5.0 |
| 25 | 12 | 0.08 | 1 | 0.02 | BlackBerry |
| 26 | 12 | 0.08 | 1 | 0.02 | +http://www.aihit.com/ |
| 27 | 12 | 0.08 | 6 | 0.13 | http://www.youdao.com/help/webmaster/spi... |
| 28 | 9 | 0.06 | 9 | 0.19 | Windows ME |
| 29 | 6 | 0.04 | 0 | 0.00 | http://desktop.google.com/ |
| 30 | 6 | 0.04 | 0 | 0.00 | Windows 6.1; MSIE 8.0.7601.17514 |
| 31 | 6 | 0.04 | 3 | 0.06 | +http://www.exabot.com/go/robot |
| 32 | 5 | 0.03 | 3 | 0.06 | Windows 3.1 |
| 33 | 5 | 0.03 | 2 | 0.04 | +info@netcraft.com |
| 34 | 5 | 0.03 | 5 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 35 | 4 | 0.03 | 4 | 0.09 | Windows 2000 |
| 36 | 4 | 0.03 | 4 | 0.09 | Windows CE |
| 37 | 4 | 0.03 | 2 | 0.04 | http://www.search17.com/bot.php |
| 38 | 3 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 39 | 3 | 0.02 | 3 | 0.06 | Linux 2.4.x |
| 40 | 2 | 0.01 | 1 | 0.02 | http://nlp.fi.muni.cz/projects/biwec/ |
| 41 | 2 | 0.01 | 1 | 0.02 | X11 |
| 42 | 1 | 0.01 | 0 | 0.00 | AugustBot/augustbot@163.com |
| 43 | 1 | 0.01 | 1 | 0.02 | +http://discoveryengine.com/discobot.htm... |
| 44 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.7 |
