Hello,

First let me begin ny telling what is Web analytics.

Web analytics is the process of analyzing the behavior of visitors to a Web site. The use of Web analytics is said to enable a business to attract more visitors, retain or attract new customers for goods or services, or to increase the dollar volume each customer spends.

Now coming to what are Web analytics tool.

Web analytics tools are designed to make website analysis easy. The idea is to gather, organize accurately, and present data on your site’s performance for you essentially performing the technical side of web analytics. 

Hope this answer helps!