// Minify HTML function minifyHTML(html) { return html.replace(/\s+/g, ' ') // Remove extra white space .replace(//g, '') // Remove comments .replace(/\s?(<\/?[^>]+)\/?\s?/g, '$1') // Remove extra white space around tags .replace(/\s?(<\/?[^>]+)\/?\s?/g, '$1'); // Remove extra white space around tags } // Enable gzip compression app.use(compression()); // Asynchronous loading of JavaScript and CSS files