If the website you are visiting also integrates +1, then there is no need to go back and +1. But yeah, going back to the Google search results page is a pain a

If the website you are visiting also integrates +1, then there is no need to go back and +1. But yeah, going back to the Google search results page is a pain and I doubt very many people would actually take that action, unless they are really impressed by the site and are familiar with the +1 feature.