The hope is that other content creators will find the page useful and refer to it in their content. If your article gets referenced / mentioned / linked, then it’s Page Authority improves and it’s more likely to rank …and get more targeted traffic. The key is to both produce something that’s truly worth mentioning and to build a network of friends who create similar content. This article (and video) may help: How Does Social Media Affect SEO?
Web analytics is the measurement of the behavior of visitors to a website. In a commercial context, it especially refers to the measurement of which aspects of the website work towards the business objectives of Internet marketing initiatives; for example, which landing pages encourage people to make a purchase. Notable vendors of web analytics software and services include Google Analytics, IBM Digital Analytics (formerly Coremetrics) and Adobe Omniture.