You can see page views by full path (including query strings) using the “Page path + query string” dimension in GA4 or the pagePathPlusQueryString field in Looker Studio. In BigQuery, you can extract it from the page_location parameter in page_view events.

It’s mostly a configuration issue, but sometimes the query string isn’t passed because the tag setup trims URLs by default. I ran an audit with GAfix.ai, where the Event Parameter Mapping Check verifies if page_location is correctly passed with each page_view. If it’s missing, this checkpoint flags it immediately — any GA4 audit tool with similar checks can help you catch it quickly.