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forked from Pantheon Advanced Page Cache™
Apex Edge Accelerator is not affiliated with Pantheon Advanced Page Cache. The name and any related trademarks are used solely for nominative descriptive purposes.
This plugin provides fine-grained control over a site's edge cache by using surrogate key technology. It is designed for site administrators and developers who need a highly accurate cache purge mechanism to maintain fast page loads and fresh content.
Surrogate Key Tagging: The plugin tags each cached response with identifiers for the specific data used on that page, such as individual posts, authors, or taxonomy terms.
Precise Cache Purging: When content is updated, it triggers a purge only for the cache entries tagged with the relevant identifiers. This prevents unnecessary full cache flushes.
REST API Compatibility: The tagging and purging system works seamlessly with the WordPress REST API, ensuring API endpoints are also kept up to date.
Custom Key Control: Developers can add custom surrogate keys for specific page elements and define their own purge triggers using provided filters and helper functions.
Performance Optimization: By maintaining a high cache hit rate for unchanged content and only invalidating what's necessary, it significantly reduces server load and improves visitor experience.