Use: Gauge performance of tweets to identify topics, content, etc. that get more traction with users
Twitter has opened up tweet analytics to all users. Publishers can check how many times a tweet has been “faved”, retweeted or replied to and how many times a link in a tweet has been clicked. The data as far back as 90 days can be viewed online or downloaded to an Excel or CSV file. You can also chart, by date, mentions, follows and unfollows for your account.
In addition to Timeline activity, you can also get data on Followers (although when I tried to access that, I received a message that said “there is not enough data to display analytics at this time. Try again later.”)
There are third-party programs that will provide Twitter analytics but this is a straightforward way to track your tweet activity.
To access the analytics, go to ads.twitter.com and log-in with your regular Twitter ID and password. Then select “Analytics” at the top of the page.
The Next Web: Twitter opens up its analytics platform, lets everyone review the performance of their tweets for free
TechCrunch: Twitter Opens Up Tweet Performance Analytics To All, For Free
Christopher Penn: Official Twitter Analytics: Most Hidden Ever