Fixing a Six-Hour Timestamp Offset on a WordPress Store

WooCommerce order timestamps ran six hours behind local time. Here’s the one-line WordPress timezone fix that corrected every order, past and future.
Fixing an Intermittent 403 Error Caused by Cache TTL

An intermittent 403 error on a WooCommerce cart drawer traced to a page cache TTL set longer than WordPress’s own nonce lifetime.
Why WooCommerce Order Emails Weren’t Reaching Gmail

WooCommerce order emails silently failed to reach Gmail despite wp_mail() reporting success. Here’s the SPF misconfiguration behind it, and the one-line fix.