| Used Operating Systems |
| 1 | 21818 | 47.03 | 677 | 13.12 | +http://yandex.com/bots |
| 2 | 11326 | 24.42 | 157 | 3.04 | http://mj12bot.com/ |
| 3 | 4543 | 9.79 | 3418 | 66.24 | +http://www.baidu.com/search/spider.html |
| 4 | 3199 | 6.90 | 1 | 0.02 | +http://megaindex.com/crawler |
| 5 | 2146 | 4.63 | 5 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 6 | 1200 | 2.59 | 272 | 5.27 | +http://www.linkdex.com/bots/ |
| 7 | 954 | 2.06 | 177 | 3.43 | Windows NT |
| 8 | 502 | 1.08 | 164 | 3.18 | +http://www.bing.com/bingbot.htm |
| 9 | 449 | 0.97 | 212 | 4.11 | +http://www.google.com/bot.html |
| 10 | 50 | 0.11 | 6 | 0.12 | Windows 95 |
| 11 | 36 | 0.08 | 34 | 0.66 | +http://www.uptime.com/uptimebot |
| 12 | 30 | 0.06 | 7 | 0.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 26 | 0.06 | 1 | 0.02 | Windows 98 |
| 14 | 17 | 0.04 | 1 | 0.02 | Windows 2000 |
| 15 | 14 | 0.03 | 3 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 16 | 12 | 0.03 | 0 | 0.00 | Windows XP |
| 17 | 10 | 0.02 | 2 | 0.04 | Windows 3.1 |
| 18 | 9 | 0.02 | 3 | 0.06 | Windows CE |
| 19 | 9 | 0.02 | 1 | 0.02 | Windows ME |
| 20 | 9 | 0.02 | 8 | 0.16 | +info@netcraft.com |
| 21 | 8 | 0.02 | 4 | 0.08 | +http://www.exabot.com/go/robot |
| 22 | 7 | 0.02 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 23 | 4 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 24 | 4 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 25 | 2 | 0.00 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 26 | 2 | 0.00 | 2 | 0.04 | Macintosh |
| 27 | 1 | 0.00 | 1 | 0.02 | +http://www.google.com/bot.html,Yahoo! S... |