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The Internet Archive provides a browser add-on that can be used to easily access pages on the Wayback Machine for the currently viewed site, along with options to save a copy of the page to the Wayback Machine. Currently, versions of the add-on are available for Google Chrome, Microsoft Edge, Mozilla Firefox, and Safari.
In most Windows and Linux browsers: . Hold down Ctrl and press F5.; In Apple Safari: . Hold down ⇧ Shift and click the Reload toolbar button.; In Chrome and Firefox for Mac: . Hold down both ⌘ Cmd+⇧ Shift and press R.
The Cache-Control: no-cache HTTP/1.1 header field is also intended for use in requests made by the client. It is a means for the browser to tell the server and any intermediate caches that it wants a fresh version of the resource. The Pragma: no-cache header field, defined in the HTTP/1.0 spec, has the same purpose. It, however, is only defined ...
An issue inherent to indiscriminate link prefetching involves the misuse of "safe" HTTP methods.The HTTP GET and HEAD requests are said to be "safe", i.e., a user agent that issues one of these requests should expect that the request results in no change on the recipient server. [13]
In HTTP, "Referer" (a misspelling of "Referrer" [1]) is an optional HTTP header field that identifies the address of the web page (i.e., the URI or IRI) from which the resource has been requested. By checking the referrer, the server providing the new web page can see where the request originated.
Do Not Track (DNT) is a deprecated non-standard [1] HTTP header field designed to allow internet users to opt out of tracking by websites—which includes the collection of data regarding a user's activity across multiple distinct contexts, and the retention, use, or sharing of data derived from that activity outside the context in which it occurred.
A URL will often comprise a path, script name, and query string.The query string parameters dictate the content to show on the page, and frequently include information opaque or irrelevant to users—such as internal numeric identifiers for values in a database, illegibly encoded data, session IDs, implementation details, and so on.
Invalidation is usually a side effect of another request that passes through the cache. For example, if a URL associated with a cached response subsequently gets a POST, PUT or DELETE request, the cached response will be invalidated. Many CDNs and manufacturers of network equipment have replaced this standard HTTP cache control with dynamic ...