Web Developer Cum SEO Analyst Question:

Google algorithm is a set of commands written for the purpose of feeding back with search results relevant to the queries made.

Google’s 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 on several factors, including how many times the keywords appear on the page, quality of the page etc.

Google uses numerous other criteria that change periodically to deliver more relevant results.