Joomla caching: How to use it - Joomla! Forum - community, help and support

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hello, using joomla 1.5 virtuemart 1.9 commerce store. had high load times, entered world of cache. on shared server , have memcache, apc & file options after tests these 3 different cache handlers end using file caching. publish new products once every 1 or 2 week. , clean cache every week. reason writing down because when clean cache, each page cached @ next visit (this means first visit right after of cache cleaning page has high load time) , served cached after second time page loaded.

i want serve cached, low load time & updated content visitors, how can make happen , avoid need open page in order cached?

should avoid cleaning cache?
is there trick can use expire-headers?
not sure how use purge cache correctly.

any welcome.
thanks,
c






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