Google’s Search Quality team is continually working on ways in which to minimize the impact of webspam on users. This includes
We have a long-standing view that doorway pages that are created solely for search engines can harm the quality of the user’s search experience.
For example, searchers might get a list of results that all go to the same site. So if a user clicks on one result, doesn't like it, and then tries the next result in the search results page and is taken to that same site that they didn't like, that's a really frustrating experience.
Over time, we've seen sites try to maximize their “search footprint” without adding clear, unique value. These doorway campaigns manifest themselves as pages on a site, as a number of domains, or a combination thereof. To improve the quality of search results for our users, we’ll soon launch a ranking adjustment to better address these types of pages. Sites with large and well-established doorway campaigns might see a broad impact from this change.
To help webmasters better understand our guidelines, we've added clarifying examples and freshened our definition of
doorway pages in our Quality Guidelines.
