First, not all pages contained author information. This is a big mistake in my opinion, because users usually want to know that a review is written by someone who is knowledgeable about it. Second, some authors listed didn't have much information there (and not even full names). On the other hand, some sites performed well during this update, Image Manipulation Service received reviews written by experts or enthusiasts, and provided solid information about the author of the page or site (via a biography).
It definitely reinforces for users that the content is at least written by someone who is knowledgeable about it. That doesn't mean the content is great…that person still has to write a valuable post, but it's important for users to learn more about the person writing the content. Image Manipulation Service Beyond authors, I found that some sites that dropped heavily didn't even have a solid branding on the site. For example, there was no logo or site name at the top of the page, it was not clear who ran the site, what company owned the site, etc. As with knowing more about the authors,
it is important for users to better understand the site in general. Is it a clandestine business, is it a guy in his basement, is it a teenager trying to make a quick buck, etc. ? First, here's a page without an author or site mark: On the other hand, Image Manipulation Service here is the page with two authors listed (Senior Editor and Chief Editor):Aggressive Advertising + Affiliate Content: A UX Nightmare, But… If you've read any of my articles on Broad Base Algorithm Updates, you know that aggressive, disruptive, or misleading ads can be seriously problems for a site.