Field notes on conversion tracking
Topics
Allga4 · 31gtm · 17ecommerce · 9attribution · 8debugging · 8google-ads · 8consent-mode-v2 · 7privacy · 7reporting · 6tracking-quality · 68 posts tagged attribution. Show all
- 5 min read
Subdomains vs cross-domain: which tracking problem do you actually have?
blog.site.com and shop.site.com is a different tracking problem than site.com and checkout.otherbrand.com. Confusing the two leads to the wrong fix and split sessions.
ga4cross-domainattributionRead the post
- 5 min read
Debugging the Meta Pixel: from Pixel Helper to Events Manager
When Meta reports fewer conversions than you expect, the cause is almost always the pixel — not the algorithm. Here is the debugging path from browser to Events Manager.
meta-pixeldebuggingattributionRead the post
- 5 min read
Attribution models compared: last-click, data-driven, and the rest
Last-click is simple and wrong. Data-driven is better and opaque. Here is what each attribution model actually does to your channel credit — and which to use when.
attributionga4reportingRead the post
- 5 min read
Attribution windows: why last week's ROAS keeps changing
You pull ROAS for last week on Monday, then again Friday, and the numbers moved — even though the week is over. You're not going crazy; you're watching attribution windows do their job.
attributiongoogle-adsreportingRead the post
- 5 min read
Cross-domain tracking in GA4: stop your sessions splitting in two
If your funnel spans two domains — a marketing site and a separate checkout, or a third-party booking host — GA4 will, by default, count one user as two: session split, source lost, conversions misattributed. Here's the fix.
ga4cross-domainattributionRead the post
- 5 min read
UTM tagging that doesn't wreck your GA4 channel reports
Inconsistent UTM tags are the quiet reason your GA4 channel report is a mess of "(other)", duplicate sources, and campaigns that don't add up. The fix is boring and total: one convention, enforced.
utmga4attributionRead the post
- 5 min read
Why your Google Ads conversions don't match GA4 (and how to reconcile them)
"Google Ads says 240 conversions, GA4 says 190 — which is right?" Both, sort of. The mismatch is expected; the SIZE of the gap tells you whether it's a methodology difference or a tracking bug.
google-adsga4attributionRead the post
- 6 min read
Meta Pixel vs Conversions API: what each does and why you need both
"Do I need the Meta Pixel or the Conversions API?" The honest 2026 answer is both — the Pixel for browser context, CAPI to survive ad blockers and iOS. Here is exactly what each does and the event_id trap that breaks setups.
meta-pixelmeta-capiattributionRead the post