HTTP Server Header

HTTP is the protocol used to transfer data between the web server and browsers. When a browser requests a HTML document from a web server, the browser send an URL (web address) with a request header. The server respond to a browser by providing a HTTP response header and the requested document (if exists). This tool extracts the HTTP server response headers, and displays them to you.

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You may enter an URL with or without the protocol. If no protocol designator was specified, the address will be preceeded with http://.

What is HTTP Header Check?

An HTTP header check is a diagnostic tool that allows you to view the headers of an HTTP request and response between a web server and a client (typically a web browser). HTTP headers are additional pieces of information that are sent along with the content of a web page, and they provide details about the request and response, including the date and time of the request, the type of web server being used, and any cookies that may be associated with the request.

HTTP header checks can be useful for troubleshooting issues with web servers or web applications, as they can provide insight into the behavior of a web server and the data that it is sending and receiving. For example, if you are experiencing slow load times on a particular website, an HTTP header check can help you identify any issues with the server or network that may be causing the delay.

Some common types of information that can be found in HTTP headers include:

  • Request and response codes: These codes indicate the status of the request or response, such as whether the request was successful or if there was an error.
  • Cache-control directives: These directives specify whether a web page or resource can be cached by the browser, and for how long.
  • Content type: This specifies the type of data being sent in the response, such as HTML, XML, or JSON.
  • User agent: This indicates the type of web browser or client that is making the request, and can be used by servers to customize the response based on the client's capabilities.

In summary, an HTTP header check can be a useful tool for understanding the behavior of web servers and applications, and for troubleshooting issues with website performance and functionality.

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