Nuxtjs Guideline: DataFetching — Use pick to reduce payload size. Description: Select only needed fields from response. Do: pick option for large responses. Don't: Fetching entire objects when few fields needed. Good Example: useFetch('/api/user', { pick: ['id', 'name'] }). Bad Example: useFetch('/api/user') then destructure. Severity: Low. Docs: https://nuxt.com/docs/api/composables/use-fetch.