| Used Operating Systems |
| 1 | 8182 | 54.55 | 2601 | 45.87 | Windows NT |
| 2 | 4912 | 32.75 | 2295 | 40.48 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 508 | 3.39 | 221 | 3.90 | +http://about.ask.com/en/docs/about/webm... |
| 4 | 401 | 2.67 | 84 | 1.48 | +http://www.google.com/bot.html |
| 5 | 341 | 2.27 | 206 | 3.63 | Windows 98 |
| 6 | 169 | 1.13 | 52 | 0.92 | PPC Mac OS X Mach-O |
| 7 | 85 | 0.57 | 37 | 0.65 | Linux i686 [unknown version] |
| 8 | 64 | 0.43 | 25 | 0.44 | +http://sp.ask.com/docs/about/tech_crawl... |
| 9 | 49 | 0.33 | 3 | 0.05 | Windows XP |
| 10 | 46 | 0.31 | 22 | 0.39 | Macintosh PPC |
| 11 | 41 | 0.27 | 17 | 0.30 | PPC Mac OS X |
| 12 | 34 | 0.23 | 17 | 0.30 | http://misc.yahoo.com.cn/help.html |
| 13 | 24 | 0.16 | 2 | 0.04 | SunOS sun4u |
| 14 | 24 | 0.16 | 13 | 0.23 | Windows 95 |
| 15 | 22 | 0.15 | 14 | 0.25 | Bluecoat DRTR |
| 16 | 21 | 0.14 | 4 | 0.07 | Intel Mac OS X |
| 17 | 12 | 0.08 | 2 | 0.04 | Macintosh |
| 18 | 6 | 0.04 | 2 | 0.04 | http://www.betaspider.com/ |
| 19 | 4 | 0.03 | 2 | 0.04 | Warp 4.5 |
| 20 | 4 | 0.03 | 2 | 0.04 | http://help.naver.com/delete_main.asp |
| 21 | 4 | 0.03 | 4 | 0.07 | i686 Linux; 20020111 |
| 22 | 4 | 0.03 | 2 | 0.04 | +http://www.become.com/site_owners.html |
| 23 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020708 |
| 24 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020627 |
| 25 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020319 |
| 26 | 2 | 0.01 | 2 | 0.04 | Win32 |
| 27 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020820 |
| 28 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020622 |
| 29 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020813 |
| 30 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020116 |
| 31 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020105 |
| 32 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020417 |
| 33 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020702 |
| 34 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020416 |
| 35 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20021016 |
| 36 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020617 |
| 37 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020602 |
| 38 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020716 |
| 39 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020305 |
| 40 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020518 |
| 41 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20021026 |
| 42 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020616 |
| 43 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020513 |
| 44 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020216 |
| 45 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020403 |
| 46 | 1 | 0.01 | 1 | 0.02 | Qt embedded |
| 47 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20021028 |
