const prefetchImages = require('prefetch-image'); //or //import prefetchImages from 'prefetch-image'; const images = [ '/1.png', '/2.jpg', '/3.png', ]; prefetchImages(images, options) .then((result) => { //result is an array containing all the "Image" objects console.log('all images loaded!'); //start init your page logic... }); // or with multiple domain object const imagesOnMultipleDomains = { 'http://domain1.com': ['/image1.png', '/image2.png'], 'http://domain2.com': ['/image3.png', '/image4.png'], }; prefetchImages(imagesOnMultipleDomains, options) .then((results) => { //result is an array containing all the "Image" objects grouped by domains, e.g //results = [${domain1ImagesArray}, ${domain2ImagesArray}] console.log('all images loaded!'); //start init your page logic... });