| Used Operating Systems |
| 1 | 3181 | 87.63 | 73 | 47.71 | Windows NT |
| 2 | 163 | 4.49 | 21 | 13.73 | +http://sp.ask.com/docs/about/tech_crawl... |
| 3 | 132 | 3.64 | 6 | 3.92 | Windows 98 |
| 4 | 80 | 2.20 | 34 | 22.22 | http://help.yahoo.com/help/us/ysearch/sl... |
| 5 | 35 | 0.96 | 5 | 3.27 | +http://www.google.com/bot.html |
| 6 | 20 | 0.55 | 1 | 0.65 | Windows 9x |
| 7 | 4 | 0.11 | 1 | 0.65 | Linux i686 [unknown version] |
| 8 | 3 | 0.08 | 2 | 1.31 | Windows XP |
| 9 | 2 | 0.06 | 1 | 0.65 | http://misc.yahoo.com.cn/help.html |
| 10 | 2 | 0.06 | 1 | 0.65 | MSIE 6.0 compatible; +http://www.become.... |
| 11 | 1 | 0.03 | 1 | 0.65 | i686 Linux; 20020605 |
| 12 | 1 | 0.03 | 1 | 0.65 | i686 Linux; 20020307 |
| 13 | 1 | 0.03 | 1 | 0.65 | i686 Linux; 20021205 |
| 14 | 1 | 0.03 | 1 | 0.65 | i686 Linux; 20021216 |
| 15 | 1 | 0.03 | 1 | 0.65 | i686 Linux; 20020808 |
| 16 | 1 | 0.03 | 1 | 0.65 | i686 Linux; 20020727 |
| 17 | 1 | 0.03 | 1 | 0.65 | i686 Linux; 20020510 |
| 18 | 1 | 0.03 | 1 | 0.65 | i686 Linux; 20021208 |
