Engineering deep-dives, product changelogs, and tactical guides for marketers running first-party attribution.

Hydrogen removes the Liquid theme — and with it, every theme-based tracking snippet. Here’s how conversion tracking works on Hydrogen: web pixels, the Customer Events API, and server-side relays.

Meta’s Conversions API is server-side — but most CAPI setups still route through the browser first. Here’s exactly where ad blockers break the chain, and how to make purchase delivery independent of the visitor’s device.

Browser pixels fire from the visitor’s device and can be blocked; server-side tracking sends conversions from your server to each platform’s API. Here’s how each works, what each misses, and when to use which.