site optimization cases

Ever site have content for cache or pregenerate.

Why cache need to be part of optimization? - if you know what you do and how it is very fast way to lower server load. So, after load is lowered you will have time to think about logical optimization ;)

What we can cache?

  • content
  • sql results
  • functions results
  • logical results(which isn't design as separate functions)
  • As example, if site have visitors counter its results can be cache for several minutes and this will save little time for executions. Here I need to notice - it very important to cache something which take more time than fetch from cache! of course for our case we need to know how many time/cpu/memory take counter and same values for cache fetch function. There are no sense to cache if we do not save or convert server resources.

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