| Used Operating Systems |
| 1 | 9773 | 39.99 | 1002 | 25.55 | Windows NT |
| 2 | 5544 | 22.68 | 198 | 5.05 | +http://yandex.com/bots |
| 3 | 3254 | 13.31 | 603 | 15.38 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 2528 | 10.34 | 1065 | 27.16 | +http://www.baidu.com/search/spider.html |
| 5 | 1094 | 4.48 | 365 | 9.31 | +http://www.google.com/bot.html |
| 6 | 486 | 1.99 | 25 | 0.64 | http://www.dotnetdotcom.org/, crawler@do... |
| 7 | 368 | 1.51 | 361 | 9.21 | http://www.yodao.com/help/webmaster/spid... |
| 8 | 227 | 0.93 | 53 | 1.35 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 212 | 0.87 | 3 | 0.08 | +http://discoveryengine.com/discobot.htm... |
| 10 | 178 | 0.73 | 76 | 1.94 | +http://www.bing.com/bingbot.htm |
| 11 | 99 | 0.41 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 12 | 88 | 0.36 | 11 | 0.28 | Windows CE |
| 13 | 73 | 0.30 | 20 | 0.51 | Windows 98 |
| 14 | 70 | 0.29 | 6 | 0.15 | +http://ahrefs.com/robot/ |
| 15 | 57 | 0.23 | 40 | 1.02 | Windows 95 |
| 16 | 56 | 0.23 | 5 | 0.13 | +http://www.sitebot.org/robot/ |
| 17 | 52 | 0.21 | 22 | 0.56 | ezooms.bot@gmail.com |
| 18 | 46 | 0.19 | 2 | 0.05 | Intel Mac OS X 10.5 |
| 19 | 45 | 0.18 | 5 | 0.13 | Linux i686 [unknown version] |
| 20 | 25 | 0.10 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 21 | 22 | 0.09 | 0 | 0.00 | +http://fulltext.sblog.cz/screenshot/ |
| 22 | 22 | 0.09 | 7 | 0.18 | +http://www.exabot.com/go/robot |
| 23 | 20 | 0.08 | 10 | 0.26 | http://misc.yahoo.com.cn/help.html |
| 24 | 18 | 0.07 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 25 | 15 | 0.06 | 10 | 0.26 | MSIE 5.5; Windows NT 5.0 |
| 26 | 12 | 0.05 | 7 | 0.18 | Windows ME |
| 27 | 10 | 0.04 | 0 | 0.00 | Windows XP |
| 28 | 10 | 0.04 | 8 | 0.20 | Windows 3.1 |
| 29 | 10 | 0.04 | 0 | 0.00 | PPC Mac OS X 10.5 |
| 30 | 9 | 0.04 | 7 | 0.18 | MSIE 5.5; Windows NT 4.0 |
| 31 | 6 | 0.02 | 4 | 0.10 | Windows 2000 |
| 32 | 4 | 0.02 | 0 | 0.00 | http://www.thefind.com/crawler |
| 33 | 4 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 34 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 35 | 2 | 0.01 | 2 | 0.05 | Windows NT 5.1 |
