rsnext/examples/with-next-seo/pages/_app.js

/**
 * Using a custom _app.js with next-seo you can set default SEO
 * that will apply to every page. Full info on how the default works
 * can be found here: https://github.com/garmeeh/next-seo#default-seo-configuration
 */
import { DefaultSeo } from 'next-seo'

import SEO from '../next-seo.config'

export default function MyApp({ Component, pageProps }) {
  return (
    /* Here we call NextSeo and pass our default configuration to it  */
    <>
      <DefaultSeo {...SEO} />
      <Component {...pageProps} />
    </>
  )
}