<https://seotips4u.com/#/schema/person/image/>
<http://schema.org/url>
<https://secure.gravatar.com/avatar/9f38675a927a7bf5d46b867b1dd3db61?s=96&d=mm&r=g>
<https://bs.seotips4u.com/best-image-sizes-for-website-for-website-pages-blog-posts-product-images-favicons-and-logo/>