gatsby-config.js

module.exports = {
  siteMetadata: {
    title: 'Mathub',
    siteUrl: 'https://mathub.io/'
  },
  plugins: [
    {
      resolve: `gatsby-plugin-emotion`,
      options: {
        // Accepts all options defined by `babel-plugin-emotion` plugin.
      },
    }, `gatsby-plugin-react-helmet`,
    {
      resolve: 'gatsby-source-filesystem',
      options: {
        path: `${__dirname}/src/images`,
        name: 'images',
      },
    },
    'gatsby-transformer-sharp',
    {
      resolve: `gatsby-plugin-sharp`,
      options: {
        useMozJpeg: false,
        stripMetadata: true,
      },
    },
    {
      resolve: `gatsby-plugin-manifest`,
      options: {
        name: "Mathub",
        short_name: "Mathub",
        start_url: "/",
        background_color: "#3f51b5",
        theme_color: "#3f51b5",
        // Enables "Add to Homescreen" prompt and disables browser UI (including back button)
        // see https://developers.google.com/web/fundamentals/web-app-manifest/#display
        display: "standalone",
        icon: "src/images/logo.png", // This path is relative to the root of the site.
      },
    },
    'gatsby-plugin-offline',
    {
      resolve: `gatsby-plugin-google-analytics`,
      options: {
        trackingId: "UA-5535798-12",
        // Puts tracking script in the head instead of the body
        head: true,
        // Setting this parameter is optional
        anonymize: true,
        // Setting this parameter is also optional
        respectDNT: true,
        // Avoids sending pageview hits from custom paths
        exclude: ["/preview/**", "/do-not-track/me/too/"],
      },
    },
    {
      resolve: 'gatsby-plugin-google-fonts',
      options: {
        fonts: [
          'material icons',
          'roboto:300,400,500,700',
        ],
      },
    }
  ]
};