Not sure if you’re aware of this or not but normal url shortening services like Bit.ly and tinyurl use a 301 redirect, and the 301 redirect passes the actual referrer of the page the bit.ly link was on and that’s why you see twitter traffic in your Google Analytics account, but I bet it never [...]
Why Google Wants You to Use it’s Url Shortener is a post from: Dave Naylor’s SEO Blog.
Related posts:
- The Cleaning Up of Black Hat Traffic
- Paid Links the debate that just will not Go away
- Not ranked in google.co.uk
Read the rest here:
Why Google Wants You to Use it’s Url Shortener

