Google Analytics is a website traffic tracking program. The tool is free of charge, loaded with features, and an excellent choice for most website owners. If you are not familiar with the service, you should take some time to explore the tutorials Google offers, as fluency with the tool can be of great benefit to your SEO efforts. With Google Analytics on your site, you can track site visitor activity and discover where they came from, how long they spent on the site, and what they looked at on your site.
Backlinks are links on other sites, which points back to your site. It is also known by other terms like inbound link. Backlinks are good indicators of the popularity or the importance of the website. Google give high regard to websites that have a lot of good quality backlinks. Google considers websites with good backlinks as legitimate ones and more relevant compared to others that appear in the search query.