<b>Q: My Landing page report shows a big '(not set)' row. Where's it coming from?</b>

<b>Q: My Landing page report shows a big '(not set)' row. Where's it coming from?</b>

A: '(not set)' landing pages usually mean GA4 saw a session with no session_start / first page_view.
— Common cause: events firing (like a scroll or click) on a page where page_view didn't fire first, often a tag-timing or single-page-app routing issue.
— Late-loading consent that blocks the initial page_view but allows later events also does this.

Debug it: filter the Landing page report to '(not set)' and add 'Event name' as a secondary dimension to see which events arrive orphaned.

TL;DR: '(not set)' landing pages = sessions whose first page_view never fired. Check tag order and consent timing.

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