This shouldn't be a shocker for anyone. Nothing new here at all but it will give you an incentive to email your web team with some data.
Turns out people are tired of registering for your site. A recent study from Blue Research found that 75% of consumers resent being asked to register for websites and will change their behavior as a result. So how will their behavior change?
I do know that there is data indicating that social logins/open-id based registration pages (For example, Google Account, Twitter or Facebook Connect) have higher opt-in vs a dedicated company login.
Check out the stats:
This data highlights the trend toward social sign-in functions. The same study found that 66% of respondents believe social sign-in is a good solution to registration frustration. The study also found that 55% are more likely to return to a site with social sign-in and 48% are more likely to make a purchase.