| Used Operating Systems |
| 1 | 3196 | 79.84 | 79 | 36.92 | Windows NT |
| 2 | 446 | 11.14 | 9 | 4.21 | Windows 98 |
| 3 | 180 | 4.50 | 83 | 38.79 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 44 | 1.10 | 1 | 0.47 | Windows 9x |
| 5 | 43 | 1.07 | 1 | 0.47 | Macintosh PPC |
| 6 | 29 | 0.72 | 13 | 6.07 | +http://sp.ask.com/docs/about/tech_crawl... |
| 7 | 25 | 0.62 | 7 | 3.27 | +http://www.google.com/bot.html |
| 8 | 18 | 0.45 | 8 | 3.74 | Linux i686 [unknown version] |
| 9 | 9 | 0.22 | 2 | 0.93 | +http://about.ask.com/en/docs/about/webm... |
| 10 | 2 | 0.05 | 1 | 0.47 | Windows XP |
| 11 | 2 | 0.05 | 1 | 0.47 | MSIE 6.0 compatible; +http://www.become.... |
| 12 | 1 | 0.02 | 1 | 0.47 | i686 Linux; 20021220 |
| 13 | 1 | 0.02 | 1 | 0.47 | i686 Linux; 20020418 |
| 14 | 1 | 0.02 | 1 | 0.47 | i686 Linux; 20020318 |
| 15 | 1 | 0.02 | 1 | 0.47 | i686 Linux; 20021018 |
| 16 | 1 | 0.02 | 1 | 0.47 | i686 Linux; 20021117 |
| 17 | 1 | 0.02 | 1 | 0.47 | i686 Linux; 20020316 |
| 18 | 1 | 0.02 | 1 | 0.47 | i686 Linux; 20020111 |
| 19 | 1 | 0.02 | 1 | 0.47 | i686 Linux; 20020412 |
| 20 | 1 | 0.02 | 1 | 0.47 | i686 Linux; 20021211 |
