title: Any solutions to capture data within a website automatically?
body: <p>I want to write an application to capture data from a website, and the website are using ajax to retrieve data from server.<br>
  Is there any solutions that I can get those data conveniently and store into my own database ? As the data in that website is dynamic, historical data will disappear, and I want to keep track them.</p>
  
  <p>Please suggest any solutions, thanks in advance !</p>