| Used Operating Systems |
| 1 | 287241 | 92.86 | 3036 | 33.04 | Windows NT |
| 2 | 7594 | 2.46 | 5277 | 57.43 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 5288 | 1.71 | 102 | 1.11 | Windows 98 |
| 4 | 2631 | 0.85 | 23 | 0.25 | PPC Mac OS X Mach-O |
| 5 | 2018 | 0.65 | 476 | 5.18 | +http://www.google.com/bot.html |
| 6 | 1707 | 0.55 | 20 | 0.22 | Intel Mac OS X |
| 7 | 1339 | 0.43 | 50 | 0.54 | Linux i686 [unknown version] |
| 8 | 602 | 0.19 | 2 | 0.02 | +http://www.litefinder.net/about.html |
| 9 | 279 | 0.09 | 4 | 0.04 | Macintosh PPC |
| 10 | 256 | 0.08 | 102 | 1.11 | +http://about.ask.com/en/docs/about/webm... |
| 11 | 85 | 0.03 | 1 | 0.01 | Windows XP |
| 12 | 75 | 0.02 | 32 | 0.35 | +http://www.become.com/site_owners.html |
| 13 | 74 | 0.02 | 2 | 0.02 | Windows 9x |
| 14 | 58 | 0.02 | 2 | 0.02 | compatible |
| 15 | 38 | 0.01 | 28 | 0.30 | Windows 95 |
| 16 | 14 | 0.00 | 7 | 0.08 | http://misc.yahoo.com.cn/help.html |
| 17 | 4 | 0.00 | 2 | 0.02 | http://www.majestic12.co.uk/bot.php?+ |
| 18 | 3 | 0.00 | 3 | 0.03 | Windows 2000 |
| 19 | 2 | 0.00 | 2 | 0.02 | i686 Linux; 20021008 |
| 20 | 2 | 0.00 | 2 | 0.02 | i686 Linux; 20020817 |
| 21 | 2 | 0.00 | 2 | 0.02 | i686 Linux; 20020713 |
| 22 | 2 | 0.00 | 2 | 0.02 | i686 Linux; 20020510 |
| 23 | 2 | 0.00 | 1 | 0.01 | +http://www.exabot.com/go/robot |
| 24 | 1 | 0.00 | 1 | 0.01 | i686 Linux; 20020517 |
| 25 | 1 | 0.00 | 1 | 0.01 | i686 Linux; 20020414 |
| 26 | 1 | 0.00 | 1 | 0.01 | i686 Linux; 20020101 |
| 27 | 1 | 0.00 | 1 | 0.01 | i686 Linux; 20021028 |
| 28 | 1 | 0.00 | 1 | 0.01 | i686 Linux; 20020325 |
| 29 | 1 | 0.00 | 1 | 0.01 | i686 Linux; 20020828 |
| 30 | 1 | 0.00 | 1 | 0.01 | i686 Linux; 20020114 |
| 31 | 1 | 0.00 | 1 | 0.01 | +http://www.ansearch.com/ |
| 32 | 1 | 0.00 | 1 | 0.01 | i686 Linux; 20021119 |
| 33 | 1 | 0.00 | 1 | 0.01 | i686 Linux; 20020620 |
| 34 | 1 | 0.00 | 1 | 0.01 | i686 Linux; 20020914 |
