GET is the simplest HTTP method, and its main job is to ask the server to get a resource (HTML page, JPEG, PDF) and send it back.
POST is a more powerful request. With POST, you can request something and at the same time send form data to the server. (การต้องการส่งข้อมูลเป็นกลุ่มเป็นก้อน แบบโพสจะเหมาะกว่าแบบ เก็ต)
You can send a little data with HTTP GET but you might not want to
The total amount of characters in a GET is really limited (depending on the server)
The data you send with the GET is appended to the URL up in the browser bar, so whatever you send is exposed.
The user can’t bookmark a form submission if you use POST