| Used Operating Systems |
| 1 | 521 | 32.16 | 356 | 44.06 | Windows NT |
| 2 | 244 | 15.06 | 56 | 6.93 | +http://yandex.com/bots |
| 3 | 197 | 12.16 | 70 | 8.66 | +http://www.google.com/bot.html |
| 4 | 189 | 11.67 | 135 | 16.71 | +http://www.baidu.com/search/spider.html |
| 5 | 166 | 10.25 | 62 | 7.67 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 158 | 9.75 | 63 | 7.80 | +http://www.bing.com/bingbot.htm |
| 7 | 42 | 2.59 | 7 | 0.87 | Windows 98 |
| 8 | 28 | 1.73 | 28 | 3.47 | Windows 95 |
| 9 | 26 | 1.60 | 10 | 1.24 | +http://www.exabot.com/go/robot |
| 10 | 8 | 0.49 | 4 | 0.50 | http://help.naver.com/customer_webtxt_02... |
| 11 | 8 | 0.49 | 2 | 0.25 | X11 |
| 12 | 6 | 0.37 | 0 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 13 | 6 | 0.37 | 0 | 0.00 | +http://www-935.ibm.com/services/us/inde... |
| 14 | 4 | 0.25 | 2 | 0.25 | Linux [unknown version] |
| 15 | 4 | 0.25 | 4 | 0.50 | MSIE 5.5; Windows NT 5.0 |
| 16 | 4 | 0.25 | 0 | 0.00 | Linux i686 [unknown version] |
| 17 | 2 | 0.12 | 2 | 0.25 | Windows CE |
| 18 | 2 | 0.12 | 2 | 0.25 | Windows XP |
| 19 | 2 | 0.12 | 2 | 0.25 | Windows ME |
| 20 | 2 | 0.12 | 2 | 0.25 | +info@netcraft.com |
| 21 | 1 | 0.06 | 1 | 0.12 | Windows NT 5.1 |
