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When WP-Optimize clears the cache

Full cache purge:​

  • When changing/updating current themes and parent themes (of child themes)
  • When changing/updating current plugins
  • When turning off the cache feature in WP-Optimize
  • When editing widgets
  • When saving the customizer settings
  • When updating a menu
  • When Autoptimize purges its cache
  • When updating permalink structure
  • When changing cache settings
  • When updating string translations in WPML plugin
  • When updating the posts_per_page option
  • When purging Avada theme’s fusion caches
  • When saving any of GetWooPlugins’ settings (Premium)

This can be changed by hooking into the filter wpo_purge_cache_hooks E.g.

// Add a new action that will trigger a cache purge
add_filter( 'wpo_purge_cache_hooks', function( $actions ) {
    $actions[] = 'my_custom_action';
    return $actions;
} );

Partial cache purge:​

  • When you publish new content or update/edit existing content, the cache for that post/page will be cleared, as well as associated content (category archives, blog archives)
  • When comments are approved, or their status changes
  • When terms are created or updated
  • When changing/updating stock quantity of WooCommerce product or product variation
  • When updating the page_on_front option
  • When updating page_for_posts option
  • When updating the ‘URLs to exclude from caching’ WP-Optimize caching configuration
  • When trashing a post
  • When running importers
  • When WooCommerce product is on sale (Premium)