In today's digital marketing era a lot of requirement from online business and market researchers to collect and measure web traffic data, current web trends and also to improve performance of a website. Most commonly terms used in web analytics like visitors, bounce rate, conversion rate and conversion,etc.
Here are some of the popular web analytics tools that you can measure & can get more understanding about your website traffic.

http://bigdata-madesimple.com/popular-web-analytics-tools-for-online-businesses/#sthash.YghIZxJX.dpuf