Hi — if your GA4 looks “fine” but your experiments keep failing, the problem is often the measurement layer, not the ideas.
In a recent audit of ~625 raw events I found:
- ~25% exact duplicate events
- many same‑timestamp bursts (instrumentation loops)
- cumulative counters that made models look “perfect” (fake AUCs)
What that means: if you A/B test on noisy or leaking signals, you’ll get misleading results and waste budget.
What I do (14‑day sprint)
- Rapid triage → dedupe & remove burst noise
- Sessionize & aggregate for robust labels
- Quick sanity checks (leakage detection) a short prioritized fix list
Quick wins you can run immediately
- Fix event debouncing in GTM (one user action → one event)
- Prioritize low‑noise tests (CTA copy, hero messaging)
Run a focused 14‑day landing‑page sprint using a clean form_submit event
Want a free 15‑minute diagnostic? DM me “GA4” or click the link to book request the short diagnostics package.
#GA4#CRO#Analytics#ConversionOptimization#DataQuality#Statistics#DataScience#Data
Free 15‑minute GA4 diagnostic & short diagnostics pack — Get it here:
linkedin.com/in/hincal-topcu…
Also blog link:
hincaltopcuoglu.github.io/bl…
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