Most top-ranking websites fail HTML validation. Google explains why perfect code isn’t required, and what matters instead. Many top websites have invalid homepage HTML, yet still rank well.

When you select masslive.com as a Preferred Source, you’ll see more MassLive articles displayed in Google’s Top Stories ...

Google has once again said that its enforcement of the site reputation abuse policy is still only being done through manual actions and not algorithmically. Danny Sullivan, Google's Search Liasion, ...

Google has launched “Preferred Sources” in the U.S., allowing users to add their favorite websites and customize what they ...