Tutorials

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Here you will find step-by-step guides from the Digital Analytics category. The posts walk you through each stage and explain the settings that matter along the way.

Uploading In-Store Purchases to GA4 With the Measurement Protocol: A Loyalty Card Number as the Join Key

2026-10-19 · No comments yet

A till produces a receipt, a card number and a timestamp. GA4 knows browsers. This tutorial builds the bridge between the two with the Measurement Protocol: hashing the card number, recording the pairing while the customer is online, deriving a client_id for everyone else, and sending a purchase that lands. Every limit in it was measured on 9 September 2026, including the one the error message states wrongly.

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Tutorial: Fixing “Unassigned” Traffic in GA4 Acquisition Reports

2026-10-04 · No comments yet

Diagnosing Unassigned in GA4 starts with session source, medium and channel rules. The article distinguishes missing values, tagging errors and consent-related limitations, and explains what browser checks and BigQuery event counts can establish.

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Tutorial: What Arrives in page_location and Why the Fragment Never Reaches the Server

2026-09-29 · No comments yet

A URL has five parts, and each system on the way sees a different subset of them. The part after the hash is the surprising one: invisible in every server log, and stored in full by the analytics tag.

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Tutorial: Finding the Container Version in Which a Tag Changed

2026-09-28 · No comments yet

Saved GTM versions reveal configuration changes, while publication history establishes when a version was live. A validated API archive and comparison by tag ID help inspect changes without treating a fingerprint as proof of a measurement effect.

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Tutorial: Exporting GA4 Data to BigQuery and Writing the First SQL Query

2026-09-27 · No comments yet

Enabling the free daily GA4 export to BigQuery, understanding why the exported rows carry none of the sampling, cardinality bucketing or thresholding the interface applies, and writing a first query that reconstructs raw user paths from the nested event schema.

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Tutorial: The Five Timestamp Formats in a Tracking Stack and How to Convert Between Them

2026-09-26 · No comments yet

Convert seconds, milliseconds and microseconds with explicit units. Distinguish calendar dates from instants, compare GA4 fields correctly and handle daylight-saving changes and JavaScript precision limits.

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Tutorial: Agreeing a GTM Naming Convention and Enforcing It on an Existing Container

2026-09-25 · No comments yet

A container sorts its list alphabetically and offers no other structure, which makes the first word of every name the only grouping there is. Renaming three hundred of them is safe for tags and triggers – and not for variables.

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Tutorial: Turning a Nested dataLayer Object Into Durable GTM Variables

2026-09-22 · No comments yet

Nested dataLayer values can be read directly with version-2 variables. A complete ecommerce example explains array positions, merged state and optional validation without invented prices or quantities.

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Tutorial: Reading a GA4 Collect Request Parameter by Parameter

2026-09-19 · No comments yet

Everything GA4 knows about a hit travels in one query string with sixty abbreviated parameters. Four groups explain almost all of them, and the e-commerce payload hides in a single field with two-letter codes.

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Tutorial: Migrating E-Commerce Analytics from Client-Side to Server-Side GTM

2026-09-13 · No comments yet

A migration path that keeps the existing client-side setup running: provisioning a tagging server, configuring the GA4 client to claim incoming requests, routing the web container through an own subdomain, and moving the purchase event off the browser entirely before anything is switched off.

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