Programming Tutorials

  There is no quicker way to kill a conversion rate than a broken shopping cart. You are likely reading this because you are experiencing a specific, maddening phenomenon: a customer adds a product to their cart, the page reloads or the drawer opens, and the mini-cart explicitly states "0 items." For high-performance WooCommerce stores hosted on Cloudways (or any stack utilizing Varnish), this is rarely a code bug in your theme. It is almost always a caching collision. When Varnish is too aggressive, it serves a static HTML snapshot of the page—one that was generated before the items were added to the cart—rather than the dynamic, user-specific version required for e-commerce. This guide provides a rigorous root cause analysis and a definitive technical solution to force Varnish to respect WooCommerce cart sessions without sacrificing global site performance. The Root Cause: How Varnish "Breaks" Dynamic State To fix the problem, you must understand the architecture ...