GA4 Channel Grouping & Unassigned Debugger

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GA4 walks eighteen rules from top to bottom and takes the first one that matches. This tool runs the same chain on a landing page URL or on hand-typed values and marks the rule that decided the outcome.

Landing page URL (optional, fills the fields below)

utm_source

utm_medium

utm_campaign

Source category

Live Acquisition Audit

Inspect the actual session sources, mediums, campaigns and channel groups reported by GA4. The audit highlights Unassigned rows and spelling variants. The existing channel-rule checker above remains available for individual examples.

Sources

Practical articles

Articles that explain this

Unassigned Visits in GA4: Finding and Fixing Missing Channel Attribution Tutorials
Grouping GA4 Visits by Origin: Understanding Sources, Media and Channel Rules Digital Analytics
Grouping Visits from the Same Platform in GA4: The Source Group Feature Digital Analytics
Identifying Visits from AI Assistants in GA4: Options and Attribution Limits Digital Analytics

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GA4 Channel Grouping & Unassigned Debugger

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Live Acquisition Audit

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GA4 Channel Grouping & Unassigned Debugger

Live Acquisition Audit

Sources

Practical articles

Articles that explain this

Other tools

Related articles

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