npx nuxi@latest module add nuxt-vitalizer

// `nuxt.config.ts`
export default defineNuxtConfig({
  modules: ['nuxt-vitalizer']
})

// `nuxt.config.ts`
export default defineNuxtConfig({
  modules: ['nuxt-vitalizer'],

  vitalizer: {
    // Remove the render-blocking entry CSS
    disableStylesheets: 'entry'
  }
})

// `nuxt.config.ts`
export default defineNuxtConfig({
  modules: ['nuxt-vitalizer'],

  vitalizer: {
    disablePrefetchLinks: true
  }
})

// `app.vue`
import '~/assets/css/main.css'

// `nuxt.config.ts`
export default defineNuxtConfig({
  modules: ['nuxt-vitalizer'],

  vitalizer: {
    disableStylesheets: 'entry'
  }
})

interface ModuleOptions {
  /**
   * Whether to remove prefetch links from the HTML. If set to `dynamicImports`, only dynamic imports will be removed. To disable all prefetching, such as images, set to `true`.
   *
   * @remarks
   * This will prevent the browser from downloading chunks that may not be needed yet. This can be useful for improving the LCP (Largest Contentful Paint) score.
   *
   * @default 'dynamicImports'
   */
  disablePrefetchLinks?: boolean | 'dynamicImports'

  /**
   * Whether to remove preload links from the HTML. This can be useful for improving the FCP (First Contentful Paint) score, especially when emulating slow network conditions.
   *
   * @default false
   */
  disablePreloadLinks?: boolean

  /**
   * Whether to remove the render-blocking stylesheets from the HTML. This only makes sense if styles are inlined during SSR rendering. To only prevent the `entry.<hash>.css` stylesheet from being rendered, set to `entry`. If set to `true`, all stylesheet links will not be rendered.
   *
   * @remarks
   * This requires to have the Nuxt `inlineStyles` feature enabled. Make sure to test your application after enabling this option.
   *
   * @default false
   */
  disableStylesheets?: boolean | 'entry'
}