Google Analytics is a service offered by Google that generates detailed statistics about a website's traffic and traffic sources and measures conversions and sales. It's the most widely used website statistics service. Google Analytics can track visitors from all referrers, including search engines and social networks, direct visits and referring sites. It also tracks display advertising, pay-per-click networks, email marketing,…

Introduction Closure is a collection of tools for building rich web applications in JavaScript.Google closure make it significantly easier to maintain a large JavaScript codebase. Using Closure essentially extends JavaScript to include features available in other programming languages, such as namespaces, type checking, and data hiding. Google closure libraries are used to create html template…