| Used Operating Systems |
| 1 | 2000 | 30.85 | 645 | 26.96 | Windows NT |
| 2 | 1519 | 23.43 | 1198 | 50.08 | +http://www.baidu.com/search/spider.html |
| 3 | 1078 | 16.63 | 78 | 3.26 | +http://yandex.com/bots |
| 4 | 896 | 13.82 | 150 | 6.27 | +http://www.google.com/bot.html |
| 5 | 302 | 4.66 | 36 | 1.51 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 201 | 3.10 | 66 | 2.76 | +http://www.bing.com/bingbot.htm |
| 7 | 123 | 1.90 | 123 | 5.14 | http://www.yodao.com/help/webmaster/spid... |
| 8 | 85 | 1.31 | 19 | 0.79 | Linux i686 [unknown version] |
| 9 | 83 | 1.28 | 20 | 0.84 | ezooms.bot@gmail.com |
| 10 | 82 | 1.26 | 21 | 0.88 | +http://ahrefs.com/robot/ |
| 11 | 30 | 0.46 | 1 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 12 | 16 | 0.25 | 5 | 0.21 | +http://shoulu.jike.com/spider.html |
| 13 | 14 | 0.22 | 2 | 0.08 | Windows 98 |
| 14 | 13 | 0.20 | 5 | 0.21 | +http://www.exabot.com/go/robot |
| 15 | 12 | 0.19 | 8 | 0.33 | Windows 95 |
| 16 | 11 | 0.17 | 1 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 6 | 0.09 | 6 | 0.25 | Windows 3.1 |
| 18 | 5 | 0.08 | 4 | 0.17 | Windows CE |
| 19 | 4 | 0.06 | 3 | 0.13 | Windows 2000 |
| 20 | 1 | 0.02 | 1 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 21 | 1 | 0.02 | 0 | 0.00 | http://www.youdao.com/help/webmaster/spi... |
| 22 | 1 | 0.02 | 0 | 0.00 | +info@netcraft.com |
