Look, for example, the number of comments on this post. More than 200 people found the content useful and submitted their comments. Voto negativo, you need a personal Google+ profile for the authorship to work. A website should have a publisher profile as well (this is bind to the Google+ https://seo-on-page-optimization91246.ourcodeblog.com/30529834/i-principi-fondamentali-della-seo-on-page-youtube