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In the preceding example, the client automatically provides the ETag token in the "If-None-Match" HTTP request header.
The server checks the token against the current resource.
All you need to do is ensure that each server response provides the correct HTTP header directives to instruct the browser on when and for how long the browser can cache the response.
If you are using a Web View to fetch and display web content in your application, you might need to provide additional configuration flags to ensure that the HTTP cache is enabled, its size is set to a reasonable number to match your use case, and the cache is persisted.
That’s the problem that validation tokens, as specified in the ETag header, are designed to solve.
This is an online tutorial which describes briefly with simple steps about what are the steps that the users have to follow for generating an IAuthentication Module under C#. This tutorial also has definitions for how to implement the... NET email application through which users can generate electronic mailing service on their websites with the help of functionalities of SMTP, IMAP and POP3 packages. NET is a web based tutorial in which author discusses about the methods involved in executing output caching technique.The client doesn't need to know how the fingerprint is generated; it only needs to send it to the server on the next request.If the fingerprint is still the same, then the resource hasn't changed and you can skip the download.As a result, the ability to cache and reuse previously fetched resources is a critical aspect of optimizing for performance.The good news is that every browser ships with an implementation of an HTTP cache.