If authorElement is found, the text content of your authorName is extracted and trimmed of whitespace. The authorUrl extracts the href attribute of this component, that's the link on the author’s profile page. And when search engines crawl your site, They give the impression of being for this structured info. https://siambookmark.com/story19450617/facts-about-prestashop-addthis-integration-share-content-on-social-networks-revealed