| Used Operating Systems |
| 1 | 6621 | 45.93 | 87 | 2.25 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4711 | 32.68 | 2310 | 59.69 | Windows NT |
| 3 | 1029 | 7.14 | 847 | 21.89 | +http://www.baidu.com/search/spider.html |
| 4 | 1003 | 6.96 | 1 | 0.03 | http://crawler.007ac9.net/ |
| 5 | 186 | 1.29 | 169 | 4.37 | Windows 95 |
| 6 | 144 | 1.00 | 45 | 1.16 | +http://yandex.com/bots |
| 7 | 139 | 0.96 | 39 | 1.01 | +http://www.google.com/bot.html |
| 8 | 101 | 0.70 | 59 | 1.52 | +http://www.bing.com/bingbot.htm |
| 9 | 97 | 0.67 | 27 | 0.70 | Windows 98 |
| 10 | 61 | 0.42 | 23 | 0.59 | +http://www.linkdex.com/bots/ |
| 11 | 34 | 0.24 | 33 | 0.85 | ) - BrowseX (2.0.0 Windows |
| 12 | 33 | 0.23 | 31 | 0.80 | Windows CE |
| 13 | 31 | 0.22 | 30 | 0.78 | MSIE 5.5; Windows NT 5.0 |
| 14 | 28 | 0.19 | 27 | 0.70 | Windows 2000 |
| 15 | 27 | 0.19 | 26 | 0.67 | Auto; Windows |
| 16 | 26 | 0.18 | 2 | 0.05 | Windows XP |
| 17 | 26 | 0.18 | 25 | 0.65 | Windows 3.1 |
| 18 | 23 | 0.16 | 23 | 0.59 | MSIE 5.5; Windows NT 4.0 |
| 19 | 22 | 0.15 | 22 | 0.57 | Windows ME |
| 20 | 21 | 0.15 | 6 | 0.16 | +http://www.exabot.com/go/robot |
| 21 | 17 | 0.12 | 16 | 0.41 | Linux i686 [unknown version] |
| 22 | 12 | 0.08 | 7 | 0.18 | Linux [unknown version] |
| 23 | 12 | 0.08 | 6 | 0.16 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 7 | 0.05 | 7 | 0.18 | Linux i586 [unknown version] |
| 25 | 3 | 0.02 | 2 | 0.05 | +info@netcraft.com |
