6 articles
Every article tagged Caching, newest first. Search all articles
Enterprise7 min read
High-traffic WordPress architecture: the layers that carry the load
For high traffic WordPress, the edge and full-page cache should absorb most anonymous page views before PHP runs. Capacity problems appear when too much traffic reaches PHP, the object cache, the database, search, or media processing at once.
Performance9 min read
WooCommerce cart fragments: what they cost and when to remove them
WooCommerce cart fragments keep a legacy mini cart synchronized after cart changes, but the refresh request reaches PHP and cannot use a normal full-page cache.
Performance6 min read
Why a cache purge can overload WordPress and how to stop it
A WordPress cache stampede happens when many requests lose the same cached data at once and all try to rebuild it. The fix is to limit rebuilds with a shared lock, keep stale data available during refresh, and spread expiries so misses do not arrive as one burst.
Performance8 min read
WordPress CDN caching: cache full pages safely at the edge
WordPress CDN caching is safe when the CDN stores only anonymous, public HTML and bypasses requests that can vary by user, session, cart, preview, or admin state. Cache static assets broadly, cache full pages selectively, purge changed URLs, and verify the response headers before trusting the policy in production.
Performance8 min read
WordPress REST API performance: find slow endpoints and make them fast
WordPress REST API performance improves when you measure the request first, reduce the work each endpoint does, and cache only responses that are safe to share. Start with time to first byte, then trace database queries, remote HTTP calls, response building, authentication and cache behavior before changing code.
Performance5 min read
How to speed up WooCommerce: a Core Web Vitals guide
Common causes of a slow WooCommerce store include an oversized hero image, too much JavaScript from plugins and tracking tags, pages that can't be cached, and a database bloated with old sessions, logs and autoloaded options.