# defineNuxtComponent > defineNuxtComponent() is a helper function for defining type safe components with Options API. `defineNuxtComponent()` is a helper function for defining type safe Vue components using options API similar to [`defineComponent()`](https://vuejs.org/api/general#definecomponent). `defineNuxtComponent()` wrapper also adds support for `asyncData` and `head` component options. Using ` ``` ## `head()` If you choose not to use `setup()` in your app, you can use the `head()` method within your component definition: ```vue [app/pages/index.vue] ``` --- - [Source](https://github.com/nuxt/nuxt/blob/main/packages/nuxt/src/app/composables/component.ts)