HTTP GET and POST methods are the most common methods familiar to web developers. OPTIONS is another HTTP method worth exploring to get the information about available resources.

gRPC is a modern high performance universal Remote Procedure Call Framework. It uses HTTP/2 protocol for communication and we will see some of the benefits of using HTTP/2 over the HTTP/1.1 protocol which has been there since a long time.

In this post we will see how to check the http protocol version used by any website or a web application in google chrome.

Content Security Policy is an HTTP Response Header that is returned from a website to prevent cross site scripting and click jacking attacks.