 <p>Performance GET or POST depends on how it is implemented on server side.</p> <p>You should more concerned about RESTful convention here.</p> <p>GET : Retrieve a representation of the entry specified by the url.</p> <p>POST: Create a new entry. </p> <p>Look more <a href="https://en.wikipedia.org/wiki/Representational_state_transfer" rel="nofollow">here.</a></p>