| Used Operating Systems |
| 1 | 1589 | 77.40 | 134 | 47.52 | Windows NT |
| 2 | 154 | 7.50 | 57 | 20.21 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 102 | 4.97 | 17 | 6.03 | +http://www.google.com/bot.html |
| 4 | 54 | 2.63 | 18 | 6.38 | +http://about.ask.com/en/docs/about/webm... |
| 5 | 42 | 2.05 | 20 | 7.09 | http://misc.yahoo.com.cn/help.html |
| 6 | 34 | 1.66 | 4 | 1.42 | Windows 98 |
| 7 | 18 | 0.88 | 2 | 0.71 | Windows CE |
| 8 | 18 | 0.88 | 2 | 0.71 | PPC Mac OS X Mach-O |
| 9 | 10 | 0.49 | 2 | 0.71 | Windows XP |
| 10 | 8 | 0.39 | 4 | 1.42 | Linux i686 [unknown version] |
| 11 | 4 | 0.19 | 2 | 0.71 | +http://sp.ask.com/docs/about/tech_crawl... |
| 12 | 2 | 0.10 | 2 | 0.71 | i686 Linux; 20020818 |
| 13 | 2 | 0.10 | 2 | 0.71 | i686 Linux; 20020616 |
| 14 | 2 | 0.10 | 2 | 0.71 | i686 Linux; 20020322 |
| 15 | 2 | 0.10 | 2 | 0.71 | i686 Linux; 20021106 |
| 16 | 2 | 0.10 | 2 | 0.71 | +http://www.id-search.org/bot.html |
| 17 | 2 | 0.10 | 2 | 0.71 | i686 Linux; 20020905 |
| 18 | 2 | 0.10 | 2 | 0.71 | i686 Linux; 20020806 |
| 19 | 2 | 0.10 | 2 | 0.71 | i686 Linux; 20020328 |
| 20 | 2 | 0.10 | 2 | 0.71 | i686 Linux; 20020118 |
| 21 | 1 | 0.05 | 1 | 0.35 | i686 Linux; 20020807 |
| 22 | 1 | 0.05 | 1 | 0.35 | i686 Linux; 20020319 |
