What benefits adding an explicit width and height to an image? You might have seen the warning "Image components do not have specified width and height" on a website if you ran it through Google Lighthouse, Page Speed Insights, or a similar tool. Let's look at the explicit width and height of the image on the blog or website page. How does the lack of explicit width and height data in an image or video affect page performance? Because images and videos are not included with height and width attributes, they are usually downloaded by default to their original size. It can slow down the loading of a page because the browser waits until the image or video is completely downloaded before it determines its size and allocates space for it. When the browser loads thumbnails of these images on your page, your page content may shift about because the browser is stretching or shrinking the image to fit the thumbnail size. Layout shifts caused by unsized graphics can hinder users...
