Caching and Database Optimization — a practical guide to WooCommerce caching with clear examples you can reuse in real projects.
WooCommerce Plugin Development Series (86/101). Prefer one article? Read the complete WooCommerce plugin development tutorial.
Short description
Exclude cart/checkout from full-page cache incorrectly configured setups; use fragment caching carefully.
Transient example
$rates = get_transient('acme_remote_rates');
if (false === $rates) {
$rates = acme_fetch_rates();
set_transient('acme_remote_rates', $rates, 10 * MINUTE_IN_SECONDS);
}