content: import React from 'react'
  import Helmet from 'react-helmet'
  
  export default class About extends React.Component {
    static async getInitialProps ({ req }) {
      if (req) {
        Helmet.renderStatic()
      }
      return { title: 'About' }
    }
  
    render () {
      const { title } = this.props
      return (
        <div>
          <Helmet
            title={`${title} | Hello next.js!`}
            meta={[{ property: 'og:title', content: title }]}
          />
          About the World
        </div>
      )
    }
  }
  