“What is SEO?”. As with pretty much all internet-related terms, concepts and notions, that of “SEO” does not have a unique definition and it is a blurry concept in most people’s mind

SEO = abbreviation for “Search Engine Optimization”, the process of optimizing and tuning a web site and gaining online awareness for it, in order to deliver targeted visitors and ensure high conversion rates.
SEO activities must: - make search engines crawl the site; - make search engines index the site; - ensure a high ranking among SERPs (Search Engine Results Pages) for given keywords; - achieve a high page rank; - drive targeted traffic; - achieve high conversion rates among the site’s visitors
Search engine optimization (SEO) is a set of methodologies aimed at improving the visibility of a website in search engine listings