Server-side tagging shifts data collection off the browser and onto a container under your own domain, which is a bigger deal than it sounds.

The short version: measurement that survives ad blockers and tracking prevention is mostly a matter of doing the obvious thing carefully. Most setups follow the same arc: stand up the container, point a CNAME at it, route your loader through the new domain, then migrate one tag at a time.

You take on a small amount of operational complexity in exchange for cleaner data and a more predictable consent story. That trade-off is the one most teams underweight when they plan the work, and it is the one that quietly determines whether the project ships on time.

If you want a longer treatment, we have a deeper post in the series. For now, the takeaway is small enough to fit on a sticky note: If you have been putting off the migration, the tooling is mature enough now that it is no longer a six-month project.