What sort of internet sites should not make use of a cache?
I'm thinking you suggested 'should not make use of caching?' or else you need to actually constantly make use of caching for web pages that require it. (great deals of web server side making and also sql.).
A cache is made use of to send pre - provided web pages opposed doing the reasoning and also the data source questions for every single solitary demand. drasticly quicken every little thing. An alternative is to simply clear the cache regularly. not necisarily transform if off.
There are times where you desire no cache. like an admin panel or something that needs to be upgraded immedietly, every single time.
A cache needs to be made use of for web pages : that do not transform a whole lot or need to be frequently analyzed by php if there as a great deal of job to provide the web page like data source calls or a great deal of utilitly manuscripts. if it is asked for a whole lot. like a web page.
Guess it relies on what you suggest by cache.
Data source question caching - in a lot of cases it makes good sense to cache questions in memcached or perhaps serialized to disk
Page piece caching - if you have sections of your web page that are semi - dynamic, it can occasionally make good sense to linger those to memory or disk as opposed to needing to re - create them on every web page load
Reverse proxy - a smart (or otherwise - so - smart) layer that shops photos of your totally provided web pages and also offers these as fixed web pages to the customer based upon approaches you set.
Customer side caching - via the smart selection of Expires and also various other HTTP headers, you can make certain that your customers just ask for documents from your website as required
All of these contribute in website optimization, and also usage is established by just how vibrant your information is, whether the customer is visited, and also plenty of various other variables. The straightforward solution is to cache any place you can, at the degree which eats the least sources, without endangering customer experience.