Google Analytics is a free Web analytics service that provides statistics and basic analytical tools for search engine optimization (SEO) and marketing purposes
Google Analytics features include:
- Data visualization tools including a dashboard , scorecards and motion charts, which display changes in data over time.
- Segmentation for analysis of subsets, such as conversions.
- Custom reports.
- Email-based sharing and communication.
- Integration with other Google products, such as AdWords, Public Data Explorer and Website Optimizer.
Furthermore, some security experts have raised concerns about privacy issues in Google Analytics. Through the Google Analytics Dashboard, users can collect information on people whose websites link to social networking sites such as Facebook and Twitter.