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

# performance.preconnect

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

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

- **默认值：** `undefined`

:::info
该配置项的使用方式与 Rsbuild 完全一致。详细信息请参考 [Rsbuild - performance.preconnect](https://v2.rsbuild.dev/zh/config/performance/preconnect)。
:::