Maybe you are interested in our Magento Lazy Image Loader which is totally compatible with SEO.
Improve the loading time of your site pages with our Magento 2 Lazy Load Product Image. Increase your site performance by loading product images as the user scrolls down the page. It helps you achieve better speed and performance, ensure a smooth user experience, better conversion and improved SEO score.
The following link Magento 2 Lazy Load Product Image would be useful.
Those are usually images that need to be lazy-loaded for the sake of improved loading speed and reduced page size.
Magento 2 Image Lazy Load extension isn't not harming but contributes to the SEO improvement since it makes your website load faster which is important for SEO.
Magento 2 Catalog Ajax Scroll extension helps automatically load the next page of catalog pages by AJAX when a customer scrolls to end of the page.
Download it for Free: https://www.magesolution.com/catalog-ajax-scroll.html