PageRank is a link analysis algorithm that assigns a numerical weighting to each element of a hyperlinked set of documents, such as the World Wide Web, with the purpose of measuring its relative importance within the set.
Backlinks (or back-links (UK)) are incoming links to a website or web page. In the search engine optimization (SEO) world, the number of backlinks is one indication of the popularity or importance of that website or page (though other measures, such as PageRank, are likely to be more important).
The Yahoo! Directory is a web directory which rivals the Open Directory Project in size. The directory was Yahoo!'s first offering. When Yahoo! changed to crawler-based listings for its main results in October 2002, the human-edited directory's significance dropped, but it is still being updated.
DMOZ. The Open Directory Project (ODP), also known as dmoz (from directory.mozilla.org, its original domain name), is a multilingual open content directory of World Wide Web links owned by Netscape that is constructed and maintained by a community of volunteer editors.
What is mozRank? With mozRank checker you can see how popular a page is on the web. The more links to a page, the more popular it becomes. Links from important pages increase your popularity, and your moz Rank.
What is MozRank (Mozscape) external links? The external number of links to this page. An external link is one where the domain of the source is different than the target.
Website Reputation : WOT is a community-based, free safe surfing tool for browsers that provides website ratings & reviews to help web users as they search, surf & shop online. Find more about WOT
here.
Readability : Readability of the text is a key factor to be taken into consideration when creating a website. By improving the readability index, you increase your site's accessibility.
Google PageSpeed: It is a score based on
Optimization rules that improve the execution of the front end code (html, js, css, images etc) on web browsers.