For sites wanting fine-grained control over how their responses are represented in their edge cache, Pantheon Advanced Page Cache is the golden ticket. Here’s a high-level overview of how the plugin works:
- When a response is generated, the plugin uses surrogate keys to “tag” the response with identifers for the data used in the response.
- When WordPress data is modified, the plugin triggers a purge request for the data’s corresponding surrogate keys.
Because of its surrogate key technology, Pantheon Advanced Page Cache empowers WordPress sites with a significantly more accurate cache purge mechanism, and generally higher cache hit rate. It even works with the WordPress REST API.
Go forth and make awesome! And, once you’ve built something great, send us feature requests (or bug reports).
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