In 2004, Yahoo engineers published a document about TrustRank. TrustRank describes an algorithm that search engines can use to determine relevant search results.
In contrast to the original PageRank algorithm, TrustRank does not solely count the number of links that point to a website but it also considers the authority of a website.
TrustRank was meant to [...]

Search engines are the vehicles that drive potential customers to your websites. But in order for visitors to reach their destination – your website – you need to provide them with effective signs that direct them right to your site by creating carefully chosen keywords.
Think of the right keywords as the "Open Sesame!" of [...]

Bounce rate is the percentage of single-page visits (i.e. visits in which the person left your site from the entrance page). Bounce rate is a measure of visit quality and a high bounce rate generally indicates that site entrance (landing) pages aren’t relevant to your visitors.