Cache tags in Magento

While cache types organize Magento's cache into broad categories, cache tags provide a much more surgical approach to cache invalidation.

You can think of cache tags as labels that Magento slaps onto individual pieces of cached content. They're what makes Magento's cache invalidation so efficient.

For example, let’s say we update a product’s data. Magento doesn't need to flush the entire catalog cache — it just invalidates the cache entries that are tagged with the specific product ID.

Common cache tag patterns

Magento follows consistent naming patterns for its cache tags:

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