Cross Linking- a strategy that can come in handy to get high search engine rankings, by leveraging multiple domains owned by you. Search engines value these links, as they are from relevant sites, with related content- and you stand a chance of getting a better rank.
Domain Authority (DA) is a website metric developed by Moz. It is one of the most important numbers known to SEOs. The greater your DA, the more likely you are to have strong traffic and high rank.
In basic terms, Alexa Traffic Rank is a harsh measure of a site's ubiquity, contrasted and the greater part of alternate locales on the web, considering both the quantity of guests and the quantity of pages saw on every visit.
Google Webmaster Tool also called Google Search Console is a no-charge web service by Google for webmasters. It allows webmasters to check indexing status and optimize visibility of their websites. As of May 20, 2015, Google rebranded Google Webmaster Tools as Google Search Console.