Do images have an impact on SEO?
Using large images as it affects the user experience and image SEO, and it will cause Google to penalize your website ranking. Let's face it, your users will get frustrated if pages on your site take too long to load. ... You can get an in depth look at image optimization from Google's perspective here
It's main to use related keywords to assist your webpage position on search engines. Creating description & title with keywords is important for image optimization.
Using large images as it affects the user experience and image SEO, and it will cause Google to penalize your website ranking. Let's face it, your users will get frustrated if pages on your site take too long to load. Sizing an image not only refers to the width and height of an image but also the resolution quality.