HTTP stands for Hypertext transfer Protocol. Everything runs on web follows this protocol. Let’s take a simple example when you open any website, it send HTTP request to server, server respond to this request and then your browser received HTTP response. This request and response would not be possible without HTTP headers.
If you are working on PHP, chances are you might familiar with Cannot Modify Header Information, Header Already Sent Error . In this post i am trying to explain what is the actual cause of Header already sent error and how you avoid this.
Before we dig into this error, first let us know what is Header
How to leverage browser caching through htaccess. In this post, I’ll discuss, how to cache static contents (such as CSS, JS, Images etc) on a user browser through htaccess directives.