Seeds
What is the QSA flag in Apache redirects?
QSA stands for Query String Append, an Apache mod_rewrite flag that preserves existing query parameters when a URL is redirected. Without QSA, a RewriteRule that...
Does Nginx preserve UTM parameters by default?
It depends on how the redirect is configured. Nginx preserves query parameters by default in most rewrite and return directives, but only when the target...
Why should I minimize redirect chains?
Each redirect in a chain is an opportunity for UTM parameters and click identifiers to be silently stripped, even when individual redirects are correctly configured....
Why shouldn't I use UTMs on internal links?
UTM parameters on internal links override the original traffic source, replacing the real attribution data with a self-referral that tells you nothing useful. When a...
Which platform numbers should I trust?
None of them in isolation — each advertising and analytics platform measures through its own lens, using different attribution models, conversion windows, and counting methods....
How do transaction IDs help with attribution?
Transaction IDs serve as a universal key that connects the same purchase event across every platform that recorded it, enabling deduplication and accurate attribution. When...
What's the best single source of truth for conversions?
Your own first-party transaction database — specifically, the server-side order records from your e-commerce platform, stored in a warehouse like BigQuery. Every advertising and analytics...
Can server-side tracking align my platform data?
Server-side tracking cannot force platforms to agree on attribution — each platform applies its own model and counting rules that server-side infrastructure cannot override. What...
Should I trust GA4 or Facebook for reporting?
Neither platform should be trusted as the sole authority — they measure different things using different methodologies. GA4 uses last-click attribution with session-scoped measurement, crediting...
How do attribution windows affect my numbers?
Attribution windows determine how far back in time a platform looks when deciding whether an ad deserves credit for a conversion. Facebook's default window is...
Why is my Facebook ROAS different in GA4?
Facebook and GA4 calculate ROAS from different conversion counts because they use fundamentally different attribution models. Facebook includes view-through conversions — purchases by users who...
Which platform is showing the correct conversion count?
No single platform shows the objectively correct count — each one applies its own attribution rules and reports a number that is internally consistent but...