title: sending large JSON data from server - should I compress?
body: <p>I am sending large datasets in JSON format from my server (using PHP). I want to keep bandwidth costs down. I am wondering:</p>
  
  <ol>
  <li>should I gzip compress the JSON data server side before sending the data?</li>
  <li>is there a javascript gzip uncompression library?</li>
  </ol>