> ## Documentation Index
> Fetch the complete documentation index at: https://docs.aloftly.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Page sessions

> Canonicalized GA4 sessions per page and day.

| Contract           | Value               |
| ------------------ | ------------------- |
| Metric key         | `ga4.page_sessions` |
| Source             | Google Analytics 4  |
| Status             | active              |
| Type               | source              |
| Semantic version   | 1                   |
| Catalog visibility | Picker-eligible     |

## How it's calculated

```text theme={null}
value = SUM(sessions) after pagePath aliases normalize to one canonical page_url per day.
```

### Built from

* `GA4 Data API sessions`
* `pagePath`
* `date`

## Known caveats

* Titles live in the page-label layer, not metric dimensions.
* Coverage is limited to the top 75 pages per property day.
* Page sessions are not additive across pages because one session can visit more than one page.

## Where this appears

* Page Click Maps traffic denominator

<AccordionGroup>
  <Accordion title="Grain and identity" icon="ruler">
    page\_daily; entity: page; same-day fold: sum; additivity: semi\_additive.

    **Join and identity keys**

    * propertyId
    * snapshotDate
    * page\_url
  </Accordion>

  <Accordion title="Filters and boundaries" icon="filter">
    * Organization, store, and GA4 property are resolved server-side.
    * Reads use a half-open interval: recorded\_at >= start and recorded\_at \< end.
    * Site reports preserve acquisition/device segments; page reports retain the top 75 pages per day.
  </Accordion>

  <Accordion title="Timezone, currency, and freshness" icon="clock">
    **Timezone.** GA4 report dates are property-calendar dates normalized to UTC-midnight labels. They are not rebucketed in the browser timezone.

    **Currency.** Not applicable.

    **Freshness.** Daily scheduled sync for top pages per day.
  </Accordion>

  <Accordion title="Version history" icon="clock-rotate-left">
    | Date       | Change                                                             |
    | ---------- | ------------------------------------------------------------------ |
    | 2026-08-03 | Bound the metric to the executable certified semantic release.     |
    | 2026-07-27 | Registered GA4 traffic and page contracts in the semantic catalog. |
  </Accordion>
</AccordionGroup>