Good question! You can increase the likelihood that we show authorship for your site by only using authorship markup on pages that meet these criteria:The URL/page contains a single article (or subsequent versions of the article) or single piece of content, by the same author. This means that the page isn’t a list of articles or an updating feed. If the author frequently switches on the page, then the annotation is no longer helpful to searchers and is less likely to be featured.
The URL/page consists primarily of content written by the author.
Showing a clear byline on the page, stating the author wrote the article and using the same name as used on their Google+ profile.
You’re free to write articles in the manner you prefer -- your users may really like the Pied Piper idea. However, for authorship annotation in search results, Google prefers to feature a human who wrote the content. By doing so, authorship annotation better indicates that a search result is the perspective of a person, and this helps add credibility for searchers.
Again, because currently we want to feature people, link authorship markup to an individual’s profile rather than linking to a company’s Google+ Page.
In your scenario, both articles:
should link to the same Google+ profile in the author’s language of choice.
In the current search user interface, we only support one author per article, blog post, etc. We’re still experimenting to find the optimal outcome for searchers when more than one author is specified.
The fastest way to prevent authorship annotation is to make the author’s Google+ profile not discoverable in search results. Otherwise, if you still want to keep your profile in search results, then you can remove any profile or contributor links to the website, or remove the markup so that it no longer connects with your profile.
rel=publisher helps a business create a shared identity by linking the business’ website (often from the homepage) to the business’ Google+ Page. rel=author helps individuals (authors!) associate their individual articles from a URL or website to their Google+ profile. While rel=author and rel=publisher are both link relationships, they’re actually completely independent of one another.
Authorship annotation is useful to searchers because it signals that a page conveys a real person’s perspective or analysis on a topic. Since property listings and product pages are less perspective/analysis oriented, we discourage using authorship in these cases. However, an article about products that provides helpful commentary, such as, “Camera X vs. Camera Y: Faceoff in the Arizona Desert” could have authorship.
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