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This class of status code indicates the client must take additional action to complete the request. Many of these status codes are used in URL redirection. [2] A user agent may carry out the additional action with no user interaction only if the method used in the second request is GET or HEAD. A user agent may automatically redirect a request.
When visiting a web page, the referrer or referring page is the URL of the previous web page from which a link was followed. More generally, a referrer is the URL of a previous item which led to this request. For example, the referrer for an image is generally the HTML page on which it is to be displayed.
Open redirect vulnerabilities are fairly common on the web. In June 2022, TechRadar found over 25 active examples of open redirect vulnerabilities on the web, including sites like Google and Instagram. [30] Open redirects have their own CWE identifier, CWE-601. [31] URL redirection also provides a mechanism to perform cross-site leak attacks ...
A query string is a part of a uniform resource locator that assigns values to specified parameters.A query string commonly includes fields added to a base URL by a Web browser or other client application, for example as part of an HTML document, choosing the appearance of a page, or jumping to positions in multimedia content.
The HTTP response status code 302 Found is a common way of performing URL redirection. The HTTP/1.0 specification (RFC 1945) initially defined this code, and gave it the description phrase "Moved Temporarily" rather than "Found". An HTTP response with this status code will additionally provide a URL in the header field Location.
provides means to associate each name with its URL (to be redirected), and to update this redirection-URL; ensure the persistence (e.g. by contract) of the root URL and the PURL resolver services. PURLs are used to curate the URL resolution process, thus solving the problem of transitory URIs in location-based URI schemes like HTTP.
Search engines try to utilize canonical link definitions as an output filter for their search results. If multiple URLs contain the same content in the result set, the canonical link URL definitions will likely be incorporated to determine the original source of the content.
If the redirect target is an existing page on English Wikipedia and a reader navigates to the redirect page – by wikilink, the search box, or a URL – the reader is taken directly to the target page. A small notice below the top title indicates that the user arrived via a redirect.