fundamentals

What Is Multi-Touch Attribution? (And the 8 Models That Distribute Credit)

Multi-touch attribution credits multiple touchpoints for one conversion. Compare 8 models — first-touch through data-driven — and when to use each.

14 min read

Why Did GA4 Remove 4 Attribution Models? (And What DDA Needs to Replace Them)

GA4 removed 4 attribution models in 2023, leaving only Data-Driven Attribution (which needs 400+ conversions to run). Here's what changed and what to do.

11 min read Code

What's the Difference Between MTA and MMM?

Multi-touch attribution (MTA) and media mix modeling (MMM) are complementary measurement approaches. Learn when to use each, how they differ, and how to combine them for complete marketing measurement.

12 min read

Measurement Maturity Map: Most Teams Report Like Level 3 & Operate at Level 1

Four-level maturity framework: Ad Hoc, Operational, Analytical, Leader. Most teams sit at Level 1 while reporting numbers as if they were at Level 3.

9 min read

Why Does Server-Side Tracking Capture More Data?

Server-side tracking captures 25-40% more events than client-side JavaScript by bypassing ad blockers, browser restrictions, and network issues. Learn how it works and when to implement it.

12 min read Code

Why Your Platform Reports Don't Match (And What to Trust)

Google says one thing, Meta says another, your email tool claims the rest. Learn why platform attribution data conflicts, how to reconcile the differences, and how to build a single source of truth.

9 min read

What Attribution Can't Track (The Dark Funnel)

30-50% of purchase influences happen in channels attribution can't see: word of mouth, private communities, podcasts, dark social. Learn what the dark funnel is, why it matters, and how to measure the unmeasurable.

12 min read

Meta Removed Your Attribution Windows. Here's What's Broken Three Months Later.

Meta killed 7-day and 28-day view-through windows on January 12, 2026. Some advertisers lost 30-40% of reported conversions overnight. Here's what to do.

8 min read

Attribution for B2B: Long Sales Cycles and Multiple Decision-Makers

B2B attribution breaks when sales cycles stretch 60-180 days and 6-10 stakeholders influence the deal. Learn how to adapt attribution for enterprise sales: account-based models, marketing-sourced vs influenced, and connecting marketing to pipeline.

15 min read Code

iPhone & iOS Tracking: What's Lost, What Still Works

Apple's privacy changes broke mobile attribution. Learn what ATT, ITP, and Private Click Measurement mean for your tracking, what data you've lost, and how to adapt your attribution strategy.

12 min read

MTA, MMM & Lift Studies: The Triangulation Approach

No single measurement method tells the whole truth. Learn how to combine multi-touch attribution, marketing mix modeling, and incrementality testing into a unified measurement framework that's greater than the sum of its parts.

13 min read

Is Your ROAS Real? How Ad Platforms Inflate Attribution by 134%

Meta over-reports conversions by 134%. Google by 18%. We compiled 792 models and peer-reviewed research into a 5-minute check you can run right now.

8 min read

GA4 Removed Your Attribution Models. Here's What to Do Now.

Google removed first-click, linear, time-decay, and position-based from GA4. Only DDA and last-click remain—and DDA silently fails below 400 conversions. Here's what actually works instead.

7 min read

Why Google Ads and GA4 Show Different Conversion Numbers

Google Ads says 85 conversions. GA4 says 62. Your CRM shows 100 actual sales. Here's why the numbers never match—and which one to trust for which decisions.

6 min read