| Used Operating Systems |
| 1 | 22240 | 53.82 | 1785 | 45.10 | Windows NT |
| 2 | 11684 | 28.27 | 553 | 13.97 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 2951 | 7.14 | 1114 | 28.15 | +http://www.baidu.com/search/spider.html |
| 4 | 2021 | 4.89 | 181 | 4.57 | +http://yandex.com/bots |
| 5 | 1940 | 4.69 | 188 | 4.75 | +http://www.google.com/bot.html |
| 6 | 107 | 0.26 | 33 | 0.83 | Windows 95 |
| 7 | 94 | 0.23 | 45 | 1.14 | Windows 98 |
| 8 | 70 | 0.17 | 4 | 0.10 | Linux i686 [unknown version] |
| 9 | 50 | 0.12 | 4 | 0.10 | +http://www.sitebot.org/robot/ |
| 10 | 38 | 0.09 | 14 | 0.35 | +http://www.bing.com/bingbot.htm |
| 11 | 35 | 0.08 | 3 | 0.08 | +http://ahrefs.com/robot/ |
| 12 | 20 | 0.05 | 8 | 0.20 | Windows CE |
| 13 | 18 | 0.04 | 4 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 14 | 14 | 0.03 | 2 | 0.05 | Windows 2000 |
| 15 | 10 | 0.02 | 5 | 0.13 | ezooms.bot@gmail.com |
| 16 | 10 | 0.02 | 4 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 17 | 9 | 0.02 | 4 | 0.10 | Windows ME |
| 18 | 6 | 0.01 | 4 | 0.10 | Windows XP |
| 19 | 2 | 0.00 | 0 | 0.00 | http://www.youdao.com/help/webmaster/spi... |
| 20 | 2 | 0.00 | 2 | 0.05 | +info@netcraft.com |
| 21 | 2 | 0.00 | 1 | 0.03 | Windows 3.1 |
