Authorship markup uses the rel attribute (part of the open HTML5 standard) in links to indicate the relationship between a content page and an author page.
When Google has information about who wrote a piece of content on the web, we may look at it as a signal to help us determine the relevance of that page to a user’s query. This is just one of many signals Google may use to determine a page’s relevance and ranking, though, and we’re constantly tweaking and improving our algorithm to improve overall search quality.
•A content page can be any piece of content with an author: a news article, blog post, recipe, review, short story …
•An author page is a page about a specific author. For example, a news site might feature an author page for each of its contributors. The author page should be on the same domain as the content page.
To identify the author of an article or page, include a link to an author page on your domain and add rel="author" to that link, like this:
Written by Matt Cutts.
This tells search engines: "The linked person is an author of this linking page." The rel="author" link must point to an author page on the same site as the content page. For example, the page http://example.com/content/webmaster_tips could have a link to the author page at http://example.com/authors/mattcutts. Google uses a variety of algorithms to determine whether two URLs are part of the same site. For example, http://example.com/content, http://www.example.com/content, and http://news.example.com can all be considered as part of the same site, even though the hostnames are not identical.
Linking multiple profiles: rel="me"
An author page on a site can often link to other web pages about the same author, such as the author’s home page or a social networking profile. To tell Google that all these profiles represent the same person, use a rel="me" link to establish a link between profile pages.
Say that Matt is a frequent contributor to http://example.com. Here’s a link from his http://example.com author page to the page he maintains on http://mattcutts.com/:
Read more about Matt
In turn, Matt’s profile on http://mattcutts.com points back to his author page on http://example.com, like this:
Matt has also written lots of articles for the Foo Times.The reciprocal rel="me" links tell Google that the profiles at http://mattcutts.com and http://example.com/contributors/mattcutts represent the same person
When Google has information about who wrote a piece of content on the web, we may look at it as a signal to help us determine the relevance of that page to a user’s query. This is just one of many signals Google may use to determine a page’s relevance and ranking, though, and we’re constantly tweaking and improving our algorithm to improve overall search quality.
•A content page can be any piece of content with an author: a news article, blog post, recipe, review, short story …
•An author page is a page about a specific author. For example, a news site might feature an author page for each of its contributors. The author page should be on the same domain as the content page.
To identify the author of an article or page, include a link to an author page on your domain and add rel="author" to that link, like this:
Written by Matt Cutts.
This tells search engines: "The linked person is an author of this linking page." The rel="author" link must point to an author page on the same site as the content page. For example, the page http://example.com/content/webmaster_tips could have a link to the author page at http://example.com/authors/mattcutts. Google uses a variety of algorithms to determine whether two URLs are part of the same site. For example, http://example.com/content, http://www.example.com/content, and http://news.example.com can all be considered as part of the same site, even though the hostnames are not identical.
Linking multiple profiles: rel="me"
An author page on a site can often link to other web pages about the same author, such as the author’s home page or a social networking profile. To tell Google that all these profiles represent the same person, use a rel="me" link to establish a link between profile pages.
Say that Matt is a frequent contributor to http://example.com. Here’s a link from his http://example.com author page to the page he maintains on http://mattcutts.com/:
Read more about Matt
In turn, Matt’s profile on http://mattcutts.com points back to his author page on http://example.com, like this:
Matt has also written lots of articles for the Foo Times.The reciprocal rel="me" links tell Google that the profiles at http://mattcutts.com and http://example.com/contributors/mattcutts represent the same person
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