Duplicate tracking, render-blocking scripts, broken checkout states — the kind of damage that never shows up in your analytics dashboard. We find it in minutes, not a discovery call.
Duplicate GTM containers, unused JS, third-party scripts fighting each other for the main thread — the gap between your field data and what a real customer on 4G actually sees.
Klaviyo firing twice, a pixel loaded from an unbranded CDN, client and server-side tracking pointed at the same GA4 property — skewing every decision you make from that data.
A phantom "added to cart" state, a subscription plan that drops at checkout, a sold-out variant shown as available — the bugs your own team stopped noticing months ago.