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Todays topic is Web Cache or the HTTP Caching Headers. As users we get frustrated when the websites are slow. And to improve the performance, we normally use some kind of caching, which can either be on the server-side in the form of application level caching, for example using Redis or Memcached or it can be on the client-side. So when the request comes for a resource, it will be checked in the cache. If it is not found in the cache, then the request will be sent to the server, the response will be fetched from there and then it will be cached. And in the future when the same resource is requested again, there will be no more calls to the server, the item will be found in the cache and it will be returned from there. This brings us a couple of benefits. So, first of all we have the faster response times. Because the requests are not going to the server, so our response times are going to be much lower. Secondly, because the items are returned from the cache and not the server, so our
