3. IMG tag, + native lazy load + lazy load by Lazysizes - resolution switching: by different sizes + Microformat Schema for image SEO

3. IMG tag only, + native lazy load + lazy load by Lazysizes - resolution switching: by different sizes + Microformat Schema for image SEO — long Description here which appears close by the image - 3. IMG tag only, + native lazy load + lazy load by Lazysizes - resolution switching: by different sizes + Microformat Schema for image SEO.