Largest Contentful Paint (LCP) measures how long it takes a page to display the largest element — an image, text block, or ...

JavaScript-loaded images can be indexed, Google's Martin Splitt confirms. Learn common indexing issues and best practices to ensure your JS images appear in search.

Image() object in JavaScript and pass it the URL of the image you want preloaded. Say we have an image called heavyimagefile.jpg, which we want to ...