| Used Operating Systems |
| 1 | 2855 | 72.33 | 2449 | 83.61 | +http://www.baidu.com/search/spider.html |
| 2 | 248 | 6.28 | 74 | 2.53 | +http://yandex.com/bots |
| 3 | 216 | 5.47 | 124 | 4.23 | Windows NT |
| 4 | 208 | 5.27 | 104 | 3.55 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 66 | 1.67 | 32 | 1.09 | +http://www.bing.com/bingbot.htm |
| 6 | 58 | 1.47 | 22 | 0.75 | +http://www.google.com/bot.html |
| 7 | 42 | 1.06 | 5 | 0.17 | http://crawler.sistrix.net/ |
| 8 | 42 | 1.06 | 26 | 0.89 | Linux i686 [unknown version] |
| 9 | 36 | 0.91 | 3 | 0.10 | MSIE 5.5; Windows NT 5.1 |
| 10 | 36 | 0.91 | 18 | 0.61 | ezooms.bot@gmail.com |
| 11 | 28 | 0.71 | 14 | 0.48 | +http://www.exabot.com/go/robot |
| 12 | 18 | 0.46 | 6 | 0.20 | +http://discoveryengine.com/discobot.htm... |
| 13 | 18 | 0.46 | 8 | 0.27 | +http://ahrefs.com/robot/ |
| 14 | 18 | 0.46 | 9 | 0.31 | +http://www.eventguru.com/spider.html |
| 15 | 17 | 0.43 | 9 | 0.31 | Windows 98 |
| 16 | 8 | 0.20 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 17 | 6 | 0.15 | 6 | 0.20 | Intel Mac OS X 10.6 |
| 18 | 4 | 0.10 | 1 | 0.03 | +http://www.hailoo.com/spider.html |
| 19 | 4 | 0.10 | 2 | 0.07 | +http://www.acoon.de/robot.asp |
| 20 | 4 | 0.10 | 2 | 0.07 | +http://shoulu.jike.com/spider.html |
| 21 | 3 | 0.08 | 3 | 0.10 | Windows CE |
| 22 | 2 | 0.05 | 2 | 0.07 | Linux [unknown version] |
| 23 | 2 | 0.05 | 2 | 0.07 | Linux 2.0.x |
| 24 | 2 | 0.05 | 2 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 25 | 2 | 0.05 | 1 | 0.03 | +info@netcraft.com |
| 26 | 2 | 0.05 | 2 | 0.07 | HP-UX B.10.x |
| 27 | 2 | 0.05 | 2 | 0.07 | Windows 95 |
