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WooCommerce Cart Cookies Can Silently Disable Page Caching for Shoppers

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An experienced WooCommerce auditor reports that sites often benchmark quickly yet feel slow to real shoppers. The cause is cart session handling, which sets cookies once an item is added and leads caching layers to skip the cache for those visitors. Because the cart icon appears in the header, this bypass can extend to nearly every page the shopper views. Cart fragment AJAX requests add further uncached load, even for empty carts. Standard performance tools test anonymous visitors with empty carts, so they miss this slowdown entirely.

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