| Used Operating Systems |
| 1 | 2913 | 40.50 | 2381 | 66.56 | +http://www.baidu.com/search/spider.html |
| 2 | 1479 | 20.56 | 129 | 3.61 | Windows NT |
| 3 | 1231 | 17.11 | 482 | 13.47 | +http://www.google.com/bot.html |
| 4 | 292 | 4.06 | 2 | 0.06 | X11 |
| 5 | 281 | 3.91 | 281 | 7.86 | http://www.yodao.com/help/webmaster/spid... |
| 6 | 256 | 3.56 | 80 | 2.24 | +http://yandex.com/bots |
| 7 | 213 | 2.96 | 86 | 2.40 | +http://www.bing.com/bingbot.htm |
| 8 | 165 | 2.29 | 51 | 1.43 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 76 | 1.06 | 4 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 59 | 0.82 | 1 | 0.03 | Macintosh |
| 11 | 38 | 0.53 | 2 | 0.06 | Series 60 |
| 12 | 37 | 0.51 | 2 | 0.06 | J2ME/MIDP |
| 13 | 36 | 0.50 | 14 | 0.39 | +http://www.exabot.com/go/robot |
| 14 | 19 | 0.26 | 19 | 0.53 | Intel Mac OS X 10.4 |
| 15 | 18 | 0.25 | 5 | 0.14 | http://crawler.sistrix.net/ |
| 16 | 18 | 0.25 | 9 | 0.25 | http://www.youdao.com/help/webmaster/spi... |
| 17 | 15 | 0.21 | 5 | 0.14 | +http://www.career-x.de/bot.html |
| 18 | 8 | 0.11 | 2 | 0.06 | +http://www.hailoo.com/spider.html |
| 19 | 8 | 0.11 | 4 | 0.11 | Linux i686 [unknown version] |
| 20 | 7 | 0.10 | 5 | 0.14 | Windows 98 |
| 21 | 5 | 0.07 | 2 | 0.06 | +http://shoulu.jike.com/spider.html |
| 22 | 4 | 0.06 | 3 | 0.08 | +http://ahrefs.com/robot/ |
| 23 | 4 | 0.06 | 2 | 0.06 | +info@netcraft.com |
| 24 | 4 | 0.06 | 2 | 0.06 | +http://www.acoon.de/robot.asp |
| 25 | 3 | 0.04 | 1 | 0.03 | Linux [unknown version] |
| 26 | 2 | 0.03 | 1 | 0.03 | http://promotests.com/? |
| 27 | 1 | 0.01 | 1 | 0.03 | http://www.lipperhey.com/ |
| 28 | 1 | 0.01 | 1 | 0.03 | Windows 9x |
