Webanalytics is the assessment of a variety of data to help create a generalizedunderstanding of the visitor experience online. The measurement, collection,analysis, and reporting of internet data for purposes of understanding andoptimizing web usage. Web analytics strategy adapts to the evolution of the weband dramatically expands the type of data available that will help to achievestrategic business objectives.Web analytics data comefrom a variety of sources, they are: 1. Web traffic data reports2. Web server performance data reports3. Web transactional data reports4. Usability studies5.
Search robots are also knownas bots, wanderers, spiders and crawlers. Robotsaccess web pages, often using links to locate and link to other sites. Theserobots scan through the website and tell the search engine exactly whatinformation is on the page and what information people are searching in thesearch engine.UniqueVisitor is a term used in web analytics that refers to thenumber of distinct individuals requesting pages from the website during a givenperiod. Here the visitor’s IP address is considered to identify whether the visitoris visiting the web page or website for the first time and in that case visitoris considered to be unique visitor.
Each visitor to the siteis only counted once during the reporting period, so if the same IP addressaccesses the site many times, it still only counts as one visitor.PageCache refers to storing the visitor results from thesearch operation performed by the visitor, when the user is looking for particularweb page information in the website for the first time. It refers to an enduser feature that makes navigating through the web pages much smoother.
Pagecache helps in retrieving the search results of the visitor much faster by storingthe information of the visitor with the help of cookies.