| Used Operating Systems |
| 1 | 2394 | 30.94 | 205 | 8.34 | Windows NT |
| 2 | 1789 | 23.12 | 1731 | 70.45 | +http://www.baidu.com/search/spider.html |
| 3 | 1705 | 22.04 | 31 | 1.26 | Windows 98 |
| 4 | 553 | 7.15 | 34 | 1.38 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 456 | 5.89 | 239 | 9.73 | +http://www.google.com/bot.html |
| 6 | 316 | 4.08 | 77 | 3.13 | +http://yandex.com/bots |
| 7 | 148 | 1.91 | 39 | 1.59 | +http://www.bing.com/bingbot.htm |
| 8 | 96 | 1.24 | 34 | 1.38 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 70 | 0.90 | 4 | 0.16 | Intel Mac OS X 10.6 |
| 10 | 47 | 0.61 | 3 | 0.12 | Linux i686 [unknown version] |
| 11 | 42 | 0.54 | 17 | 0.69 | +http://www.exabot.com/go/robot |
| 12 | 30 | 0.39 | 2 | 0.08 | +http://www.aihit.com/ |
| 13 | 26 | 0.34 | 11 | 0.45 | ezooms.bot@gmail.com |
| 14 | 24 | 0.31 | 21 | 0.85 | +http://ahrefs.com/robot/ |
| 15 | 22 | 0.28 | 1 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 16 | 7 | 0.09 | 5 | 0.20 | +info@netcraft.com |
| 17 | 6 | 0.08 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 18 | 3 | 0.04 | 1 | 0.04 | ReverseGet/1.0; http://reverseget.com/; ... |
| 19 | 2 | 0.03 | 1 | 0.04 | Windows 95 |
| 20 | 1 | 0.01 | 1 | 0.04 | Linux [unknown version] |
