People also ask
What does referer mean in HTTP request header?
Referer The Referer HTTP request header contains an absolute or partial address of the page making the request. When following a link, this would be the address of the page containing the link. When making resource requests to another domain, this would be the address of the page using the resource.
What does it mean when HTTP referer is missing?
When a web browser moves from one website to another and between pages of a website, it can optionally pass the URL it came from. This is called the HTTP_REFERER, So if you don’t redirect from one page to another it might be missing If the HTTP_REFERER has been set then it will be displayed. If it is not then you won’t see anything.
Can a referer be sent by the browser?
The Referer can not be sent by the browsers if the resource is the local file or data. Directives: The HTTP Referer header accepts a single directive as mentioned above and described below: <url>: This directive is the address (partial or full) of the previous World Wide Web page which was followed by a link to the currently requested page.
What is the problem with the referer header?
The referrer problem The Referer (sic) header contains the address of a request (for example, the address of the previous web page from which a link to the currently requested page was followed, or the address of a page loading an image or other resource). This has many fairly innocent uses, including analytics, logging, or optimized caching.