Introduction to SEO: What is SEO?

Tough question, "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. Still, what is SEO? Since there is no ultimate, fully comprehensible definition for "SEO", the only way to go is to take a look at several definitions and try to merge them in order to have the right perspective.

Wikipedia : "Search engine optimization (SEO) is a set of methodologies aimed at improving the visibility of a website in search engine listings. The term also refers to an industry of consultants that carry out optimization projects on behalf of client sites."

Website NOVA : "acronym for search engine optimization. This is the process of making a website 'search-engine-friendly. Search engine optimization is primarily used to increase rankings in SERPs, and effective SEO can increase the potential of your website and bring in more traffic."

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.
When done correctly, SEO activities must:
- make search engines crawl the site;
- make search engines index the site;
- achieve a high page rank;
- drive targeted traffic;
- achieve high conversion rates among the site's visitors.
- ensure a high ranking among SERPs (Search Engine Results Pages) for given keywords;