What are HTTP Responses or HTTP Headers?
HTTP Headers or Responses are used to analyze information on a website from the browser, HTTP Response is like a report from the server to the Web Browser to respond to activities received by the server from user requests. The most important information from a web browser from the server is the HTTP Status Code which translates whether the server is online, diverted, under maintenance, there are errors and others.
You must have experienced when visiting a website, suddenly an HTTP Status Code 500 or 404 error appears, it is a response from the server to the web browser to notify certain conditions from the server and is translated to the user in the form of HTTP Headers information. HTTP or HyperText Transfer Protocol is a communication standard on the internet for transferring and receiving data between servers and web browsers.
Structure of HTTP Headers
The structure of the HTTP header consists of a name and value, in the first line there are methods, paths and protocols that indicate the type of request such as GET, POST or HEAD. the rest is a value of name which contains HTTP requests from the server and web browser you are using such as user-agent, date, status code and many more.
This HTTP request is also used to send or receive files such as images, CSS or JS files, therefore from every request you make to a web page, that means you are requesting the data required at least more than 30 requests from one page only.
What is HTTP Headers Lookup and what do I get?
HTTP headers are actually hidden from web page responses and only web browsers can read them, this HTTP Headers Lookup tool can help you parse information from HTTP responses to browsers, according to what you requested such as Content-length, Content-Type, Expires , Set-Cookies, Transfer-Encoding and so on.