We Use some tracking tools on my blog to know How my site visitors are responding to changes on my blog and the activity of Blog readers.. Which help me in improving the blog.
The data that We receive from our site via Google analytics includes the Demographic, Amount of time spent on blog, Referral traffic source, Device for (screen resolution) ,browsers and Operating systems all these information collected can’t reveal the personal identity.
Before you comment with Facebook and Google + accounts you are strongly advised to check the privacy settings on your social media accounts. And when you comment on our blog with these accounts the comments gets published on behalf of you to your accounts by default.(If you don’t want to publish unchecked the box before commenting.
You can also comment with the Blogger commenting system, which needs a valid email address.All the emails that you use on this site to comment will be stored in database directly safely. So you need not to worry about it.