Google will index the hidden content also but it will not consider it with the same weight in ranking as like the other content, so it is good that always the hidden content is also valuable to the user and relevant.Does google also consider the content that is hidden by css for ranking? The user can only see the content by clicking the "Read More"
Yeah... unless you are a major newsagency they can hide content behind login. They are treated differently.Yes, Google can consider content hidden by CSS for ranking but its impact may be limited compared to visible content.