| Used Operating Systems |
| 1 | 4132 | 39.47 | 2346 | 40.56 | Windows NT |
| 2 | 3664 | 35.00 | 1822 | 31.50 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 750 | 7.16 | 490 | 8.47 | +http://www.google.com/bot.html |
| 4 | 600 | 5.73 | 213 | 3.68 | Macintosh PPC |
| 5 | 537 | 5.13 | 378 | 6.54 | Windows 98 |
| 6 | 210 | 2.01 | 190 | 3.28 | +http://about.ask.com/en/docs/about/webm... |
| 7 | 152 | 1.45 | 80 | 1.38 | MSIE 6.0 compatible; +http://www.become.... |
| 8 | 105 | 1.00 | 93 | 1.61 | Windows XP |
| 9 | 80 | 0.76 | 26 | 0.45 | PPC Mac OS X Mach-O |
| 10 | 74 | 0.71 | 40 | 0.69 | +http://sp.ask.com/docs/about/tech_crawl... |
| 11 | 31 | 0.30 | 15 | 0.26 | http://misc.yahoo.com.cn/help.html |
| 12 | 21 | 0.20 | 11 | 0.19 | PPC Mac OS X |
| 13 | 21 | 0.20 | 8 | 0.14 | Linux i686 [unknown version] |
| 14 | 12 | 0.11 | 6 | 0.10 | Windows 9x |
| 15 | 8 | 0.08 | 4 | 0.07 | Mac_PowerPC Mac OS X; de |
| 16 | 8 | 0.08 | 7 | 0.12 | Linux [unknown version] |
| 17 | 7 | 0.07 | 5 | 0.09 | Macintosh |
| 18 | 5 | 0.05 | 3 | 0.05 | Windows 95 |
| 19 | 4 | 0.04 | 4 | 0.07 | Win32 |
| 20 | 3 | 0.03 | 1 | 0.02 | Intel Mac OS X |
| 21 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20021103 |
| 22 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20020902 |
| 23 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20020627 |
| 24 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20020810 |
| 25 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20020421 |
| 26 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20021117 |
| 27 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20020611 |
| 28 | 2 | 0.02 | 0 | 0.00 | +http://szukaj.onet.pl |
| 29 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20021222 |
| 30 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20020417 |
| 31 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20021211 |
| 32 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20020618 |
| 33 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20020409 |
| 34 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20021225 |
| 35 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20020921 |
| 36 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20020819 |
| 37 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20020815 |
| 38 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20020521 |
| 39 | 2 | 0.02 | 2 | 0.03 | i686 Linux; 20020518 |
| 40 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20021125 |
| 41 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20021001 |
| 42 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020903 |
| 43 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020617 |
| 44 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20021104 |
| 45 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020915 |