| Used Operating Systems by Visits |
| 1 | 5379 | 8.79 | 4751 | 55.05 | +http://www.baidu.com/search/spider.html |
| 2 | 35144 | 57.46 | 1315 | 15.24 | Windows NT |
| 3 | 10050 | 16.43 | 1158 | 13.42 | +http://www.google.com/bot.html |
| 4 | 2284 | 3.73 | 581 | 6.73 | http://help.yahoo.com/help/us/ysearch/sl... |
| 5 | 719 | 1.18 | 374 | 4.33 | +http://www.bing.com/bingbot.htm |
| 6 | 439 | 0.72 | 79 | 0.92 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 2777 | 4.54 | 57 | 0.66 | +http://discoveryengine.com/discobot.htm... |
| 8 | 234 | 0.38 | 57 | 0.66 | +http://yandex.com/bots |
| 9 | 43 | 0.07 | 30 | 0.35 | Windows 98 |
| 10 | 58 | 0.09 | 28 | 0.32 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 11 | 312 | 0.51 | 24 | 0.28 | MirrorDetector; +http://yandex.com/bots |
| 12 | 300 | 0.49 | 22 | 0.25 | Intel Mac OS X 10.6 |
| 13 | 20 | 0.03 | 18 | 0.21 | Windows 95 |
| 14 | 308 | 0.50 | 18 | 0.21 | Linux i686 [unknown version] |
| 15 | 30 | 0.05 | 15 | 0.17 | http://misc.yahoo.com.cn/help.html |
| 16 | 30 | 0.05 | 11 | 0.13 | [email protected] |
| 17 | 589 | 0.96 | 10 | 0.12 | Intel Mac OS X 10.5 |
| 18 | 23 | 0.04 | 10 | 0.12 | +http://www.exabot.com/go/robot |
| 19 | 18 | 0.03 | 9 | 0.10 | +http://about.ask.com/en/docs/about/webm... |
| 20 | 12 | 0.02 | 7 | 0.08 | Windows CE |
| 21 | 21 | 0.03 | 7 | 0.08 | http://help.naver.com/customer_webtxt_02... |
| 22 | 52 | 0.09 | 6 | 0.07 | http://www.dotnetdotcom.org/, crawler@do... |
| 23 | 6 | 0.01 | 6 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 24 | 455 | 0.74 | 5 | 0.06 | Intel Mac OS X 10.4 |
| 25 | 4 | 0.01 | 4 | 0.05 | Windows ME |
| 26 | 5 | 0.01 | 4 | 0.05 | Windows 3.1 |
| 27 | 4 | 0.01 | 4 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 28 | 1135 | 1.86 | 3 | 0.03 | PPC Mac OS X 10.5 |
| 29 | 282 | 0.46 | 3 | 0.03 | +http://www.sitebot.org/robot/ |
| 30 | 11 | 0.02 | 2 | 0.02 | PPC Mac OS X 10.4 |
| 31 | 10 | 0.02 | 2 | 0.02 | Linux [unknown version] |
| 32 | 4 | 0.01 | 2 | 0.02 | Windows XP |
| 33 | 12 | 0.02 | 2 | 0.02 | [email protected] |
| 34 | 4 | 0.01 | 1 | 0.01 | OS/2 |
| 35 | 4 | 0.01 | 1 | 0.01 | BeOS BePC |
| 36 | 56 | 0.09 | 1 | 0.01 | +http://www.scoutjet.com/ |
| 37 | 204 | 0.33 | 1 | 0.01 | Unknown |
| 38 | 52 | 0.09 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 39 | 2 | 0.00 | 1 | 0.01 | X11 |
| 40 | 10 | 0.02 | 1 | 0.01 | Nintendo Wii |
| 41 | 17 | 0.03 | 0 | 0.00 | http://desktop.google.com/ |
| 42 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X |
| 43 | 40 | 0.07 | 0 | 0.00 | J2ME/MIDP |
| 44 | 2 | 0.00 | 0 | 0.00 | +http://flipboard.com/browserproxy |
| 45 | 1 | 0.00 | 0 | 0.00 | Windows Phone OS 7.0 |
