Author Profile
An author profile is a page, or a block on a page, that identifies who wrote a piece of content: a name, what qualifies that person to write it, and links that tie the name to the same person elsewhere. It is what lets a reader, a search engine or an AI assistant resolve a byline to a real person.
Three jobs, one URL
A profile identifies (a name, a role, the organization), qualifies (the experience or credentials that bear on the subject), and connects (links to the same person’s profiles on other sites, so that a machine can tell this Jane Smith from the others). Each writer should have one profile URL, and every byline they sign should link to it. Two profile pages for one person split the record; a byline with no link leaves a name floating free.
How the profile is declared in markup
The writer is a schema.org/Person in the page’s Article schema. Google’s Article structured data documentation recommends giving that Person a name and a url that points to a page uniquely identifying the author, an about page or a bio, and accepts sameAs as an alternative for disambiguation. Where the page lists more than one author, each gets a separate author entry rather than a shared one. The markup carries what the visible byline says; it does not replace it.
Author profiles and E-E-A-T
Google’s guidance on helpful content asks whether it is self-evident to a visitor who wrote a page. Experience, expertise, authoritativeness and trust are qualities of a person or an organization, and the profile is where a page’s claim to them becomes checkable. Whether an AI assistant reads the profile before quoting a passage is not documented by any of them. What is documented is that the assistant lifts a passage and attributes it to whoever published it, and an attribution to a page with a named, linked author is a firmer attribution than one to a page signed “admin”.
A common question
Is one profile page per writer really better than a short bio on each article?
One URL per writer keeps the record in a single place, and every byline that person signs should link to it. Two profile pages for the same person split that record, and a byline with no link at all leaves the name floating free with nothing to resolve it against. The profile has to name the writer, say what qualifies them on the subject, and link to the same person elsewhere so a machine can tell them apart from others with that name. In markup the writer is a Person inside the page's Article schema, carrying a name and a url.
Related terms
Sources
Person type: schema.org/Person. Author markup: Google’s Article structured data documentation. Who-wrote-this questions: Google’s guidance on helpful content. No figures on this page.