Google introduced these functions in September 2011 to combat the problem of duplicate content. The Rel=Prev and Rel=Next are added to the HTML code of a site in order to let search engines know that a certain collection of consecutive pages should all be indexed together.
For example for a site that has an article that runs onto several pages, Google won't necessarily see them as the same article, instead it would treat them as competing URLs on the same topic.
Event tracking refers to the measuring of interactions on a website beyond a web page load. Event tracking supplies data on how web visitors are engaging with a website, which makes it possible to optimise the SEO and PPC marketing campaigns to maximum effect.Learn More
Every website has a Domain Rank. This represents the total amount of positive link metrics associated with a website in total. The Domain Rank is controlled by the combined PageRank of all of the individual pages on a website.Learn More