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