When implementing a Page Fragment Caching Exception, you are telling W3 Total Cache to bypass cache for a particular section of content. A great use case for this is dynamic content that you wish to update real time, separate of the page caching itself. The following article will walk you through the process.<\/p>\n

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Select your fragment caching method in Performance → General Settings\n
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We recommend you choose a memory-based caching backend such as Redis or memcached<\/a><\/li>\n<\/ul>\n<\/li>\n
Enable “late initialization” on the Page Cache settings page<\/li>\n
Add define(‘W3TC_DYNAMIC_SECURITY’, ‘mycode’); to your wp-config.php file<\/li>\n<\/ul>\n
And finally, use this format to implement the caching exception in your template for the dynamic content:<\/p>\n