Monday, 19 October 2015 11:23

How to clean Joomla cache

Introduction

The content caching is very often used inside Joomla core as well as 3rd party's extensions. Main advantage is faster response of page content in browser but only in the case when the page or parts of it are already stored in the cache.

Process of caching of yet not cached page is time consuming and usually takes tens up to hundreds milliseconds for page content parts (stored in Joomla global cache) and several seconds for entire page content (stored in so called page cache). The cached pages on live site for hundreds or thousands pages are created during long time (up to several hours).

For smooth operation of web site using cache(s) are critical two activities:

a)    how to clean (delete) old cached content for the page which content was changed to ensure that the new page content is correct presented in the browser

b)    how to recache latest page content into the cache

These two kinds of activities have heavy impact on site fast response. Have a look on some used scenarios.

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