| Used Operating Systems |
| 1 | 21541 | 35.16 | 945 | 5.77 | Windows NT |
| 2 | 13543 | 22.11 | 11271 | 68.86 | +http://www.baidu.com/search/spider.html |
| 3 | 12508 | 20.42 | 1327 | 8.11 | +http://www.google.com/bot.html |
| 4 | 6551 | 10.69 | 1899 | 11.60 | +http://www.bing.com/bingbot.htm |
| 5 | 2651 | 4.33 | 2 | 0.01 | +http://www.sitebot.org/robot/ |
| 6 | 2222 | 3.63 | 609 | 3.72 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 655 | 1.07 | 76 | 0.46 | +http://yandex.com/bots |
| 8 | 354 | 0.58 | 70 | 0.43 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 307 | 0.50 | 10 | 0.06 | +http://www.scoutjet.com/ |
| 10 | 253 | 0.41 | 9 | 0.05 | Intel Mac OS X 10.6 |
| 11 | 188 | 0.31 | 2 | 0.01 | Intel Mac OS X 10.5 |
| 12 | 127 | 0.21 | 10 | 0.06 | Linux i686 [unknown version] |
| 13 | 60 | 0.10 | 27 | 0.16 | +http://www.exabot.com/go/robot |
| 14 | 41 | 0.07 | 1 | 0.01 | Nintendo DSi |
| 15 | 40 | 0.07 | 19 | 0.12 | Windows 98 |
| 16 | 29 | 0.05 | 11 | 0.07 | [email protected] |
| 17 | 28 | 0.05 | 14 | 0.09 | http://misc.yahoo.com.cn/help.html |
| 18 | 23 | 0.04 | 10 | 0.06 | http://help.naver.com/customer_webtxt_02... |
| 19 | 19 | 0.03 | 1 | 0.01 | +http://discoveryengine.com/discobot.htm... |
| 20 | 13 | 0.02 | 2 | 0.01 | J2ME/MIDP |
| 21 | 13 | 0.02 | 12 | 0.07 | Windows 95 |
| 22 | 12 | 0.02 | 2 | 0.01 | MirrorDetector; +http://yandex.com/bots |
| 23 | 8 | 0.01 | 4 | 0.02 | Windows |
| 24 | 7 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 25 | 6 | 0.01 | 3 | 0.02 | Windows XP |
| 26 | 5 | 0.01 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 27 | 5 | 0.01 | 5 | 0.03 | Windows 3.1 |
| 28 | 5 | 0.01 | 3 | 0.02 | +http://about.ask.com/en/docs/about/webm... |
| 29 | 4 | 0.01 | 4 | 0.02 | Windows 2000 |
| 30 | 4 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 31 | 4 | 0.01 | 2 | 0.01 | [email protected] |
| 32 | 4 | 0.01 | 0 | 0.00 | FreeBSD [unknown version] |
| 33 | 4 | 0.01 | 2 | 0.01 | http://www.search17.com/bot.php |
| 34 | 4 | 0.01 | 4 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 35 | 4 | 0.01 | 0 | 0.00 | America Online Browser 1.1; rev1.5; Wind... |
| 36 | 3 | 0.00 | 1 | 0.01 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 37 | 3 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 38 | 3 | 0.00 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 39 | 2 | 0.00 | 0 | 0.00 | Windows Mobile |
| 40 | 2 | 0.00 | 2 | 0.01 | Windows CE |
| 41 | 2 | 0.00 | 2 | 0.01 | Windows ME |
| 42 | 1 | 0.00 | 0 | 0.00 | Series 60 |
| 43 | 1 | 0.00 | 1 | 0.01 | X11 |
| 44 | 1 | 0.00 | 0 | 0.00 | Macintosh |
| 45 | 1 | 0.00 | 0 | 0.00 | S60 |
