> For AI agents: the complete documentation index is available at /llms.txt, the full documentation bundle is available at /llms-full.txt.

# performance.preconnect

- **Type:** `undefined | Array<string | PreconnectOption>`

```ts
interface PreconnectOption {
  href: string;
  crossorigin?: boolean;
}
```

- **Default:** `undefined`

:::info
The usage of this configuration item is exactly the same as that of Rsbuild. For detailed information, please refer to [Rsbuild - performance.preconnect](https://v2.rsbuild.dev/config/performance/preconnect).
:::