check your HTTP request header, especially Cookie, Refer, User-Agent fields, 
can use wget or curl  to test first.

在 2014年10月16日,下午6:27,chun ho chui <[email protected]> 写道:

> I have been trying to crawl this website, built with ajax, but no luck.
> 
> I knew it is ajax, so I tried to crawl it by sending an HTTP request ( 
> http://www.investing.com/economic-calendar/filter )and get the result back.
> 
> According to the Firebug
> Request URL:http://www.investing.com/economic-calendar/filter
> Request Method:POST
> Status Code:200 OK
> 
> However, it doesn't work as expected. ( * the website is updating itself by 
> post request when filter changed, and also regularly update by the refresh 
> get request)
> 
> Highly appreciate with your help.
> 
> 
> 
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