gridsome head

export default function (Vue, { head }) {
  // Add inline CSS
  head.style.push({
    type: 'text/css',
    cssText: '.some-custom-css {color: red}'
  })

  // Add an external CSS file
  head.link.push({
    rel: 'stylesheet',
    href: 'https://some-server.com/external-styleheet.css'
  })
  
  // Add an external JavaScript before the closing </body> tag
  head.script.push({
    src: 'https://some-server.com/external-script.js',
    body: true
  })

  // Add a meta tag
  head.meta.push({
    name: 'keywords',
    content: 'HTML,CSS,XML,JavaScript'
  })
}