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

# performance

Performance metrics collected from the page using the native Performance API.
Contains arrays of PerformanceEntry objects organized by entry type.
Only available when explicitly requested in the query.

## Definition

```graphql theme={null}
performance: Performance
```

## Returns

[Performance](/reference/graphql/objects/performance)

Performance metrics collected from the page using the native Performance API.
Contains arrays of PerformanceEntry objects organized by entry type.

## Usage

This field is available on the [Page](/reference/graphql/objects/page) object. Use it to query page information and content.