what is google ranking algorithm?

Mathematical PageRanks for a simple network, expressed as percentages. ... PageRank is an algorithm used by Google Search to rank websites in their search engine results. PageRank was named after Larry Page, one of the founders of Google. PageRank is a way of measuring the importance of website pages.

Aside from Page Rank Google is also using an Artificial Intelligence called Rank Brain and this is to understand the users query beyond words.

The G- algorithm does the work for you by searching out Web pages that contain the keywords you used to search, then assigning a rank to each page based several factors, including how many times the keywords appear on the page. Higher ranked pages appear further up in Google's search engine results page (SERP), meaning that the best links relating to your search query are theoretically the first ones Google lists.

An algorithm is a set of instructions to follow before providing a result. In the google world a search result will be determined after google determines a number of things about a group of similar websites and then ranks them. The algorithm is complicated so usually run every so often only and search results locked in for some time before changing again.

Google PageRank is currently the only valid value index of the site, not only by systems based on mathematical results based on more than 100 metrics because Google reviews and ranks the site by both methods. And manual.