| Used Operating Systems |
| 1 | 3999 | 44.43 | 374 | 12.56 | Windows NT |
| 2 | 2645 | 29.39 | 2286 | 76.76 | +http://www.baidu.com/search/spider.html |
| 3 | 766 | 8.51 | 82 | 2.75 | +http://www.google.com/bot.html |
| 4 | 476 | 5.29 | 7 | 0.24 | http://help.yahoo.com/help/us/ysearch/sl... |
| 5 | 348 | 3.87 | 99 | 3.32 | +http://www.bing.com/bingbot.htm |
| 6 | 279 | 3.10 | 7 | 0.24 | http://crawler.sistrix.net/ |
| 7 | 225 | 2.50 | 54 | 1.81 | +http://yandex.com/bots |
| 8 | 144 | 1.60 | 21 | 0.71 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 48 | 0.53 | 20 | 0.67 | ezooms.bot@gmail.com |
| 10 | 26 | 0.29 | 12 | 0.40 | +http://www.exabot.com/go/robot |
| 11 | 13 | 0.14 | 2 | 0.07 | Linux i686 [unknown version] |
| 12 | 10 | 0.11 | 5 | 0.17 | Windows 95 |
| 13 | 8 | 0.09 | 2 | 0.07 | Windows 98 |
| 14 | 4 | 0.04 | 2 | 0.07 | Windows 2000 |
| 15 | 4 | 0.04 | 2 | 0.07 | +info@netcraft.com |
| 16 | 2 | 0.02 | 1 | 0.03 | Windows ME |
| 17 | 2 | 0.02 | 1 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 18 | 1 | 0.01 | 1 | 0.03 | Linux [unknown version] |
