CORS (Cross-origin resource sharing) ¶
See also

Django ¶
Django app for handling the server headers required for Cross-Origin Resource Sharing (CORS)
Although JSON-P is useful, it is strictly limited to GET requests. CORS builds on top of XmlHttpRequest to allow developers to make cross-domain requests, similar to same-domain requests.
Read more about it here: http://www.html5rocks.com/en/tutorials/cors/