Checkout and payment links that are dead, misrouted, or sending buyers to the wrong destination.
Broken automations in your email or CRM sequences, including links pointing at retired pages or offers.
Tracking and pixel failures where conversion events aren't firing correctly, so ad spend decisions are being made on bad data.
Lead-handoff gaps where a form submission or booking doesn't reliably reach the place it's supposed to.
Mobile and in-app-browser failures where a funnel works on desktop but silently breaks for Facebook or Instagram traffic.