# Page loaded

Learn how to track when the entire page finishes loading.

This event tracks when the whole page has loaded, including styles, scripts, and images.

> **Automatically tracked**
>
> The SDK automatically tracks this event when the page finishes loading, more specifically when the [`load`](https://developer.mozilla.org/en-US/docs/Web/API/Window/load_event) event is triggered.

## Input properties

This event has no input properties.

## Processed properties

These properties are automatically tracked:

- `tabId`: `string`

  The unique identifier of the tab, which is a random UUID.

- `url`: `string`

  The URL of the page.

- `title`: `string`

  The title of the page.

- `lastModifiedTime`: `number` (optional)

  The last time the page was modified in milliseconds since the Unix epoch.

  This value comes from the [`document.lastModified`](https://developer.mozilla.org/en-US/docs/Web/API/Document/lastModified) property.

## Payload examples

Below are some payload examples for this event:

**Processed payload**

```json
{
  "type": "pageOpened",
  "tabId": "b1f9ca15-51f9-4e8d-9e3a-53e234e17687",
  "url": "https://example.com",
  "title": "Example",
  "lastModifiedTime": 1631610000000
}
```

## Explore

- [Analytics](/reference/analytics): Learn how to analyze your dashboards.
- [Event-based audiences](/reference/cql/expressions/events/event-types/page-viewed): Learn how to create audiences based on this event.