In brief, SEO is the process of designing your website so that it will gain the "optimal" recognition of the search engines, and therefore the best chance it can of ranking well for its relevant keywords or "search phrases" within SERPS (Search Engine Results Pages). How to achieve it? The formula for Google SEO is very simple: content, relevancy and popularity.
• Content: The more unique text your site has and the more you update it on a regular basis, the better your site will rank on Google.
• Relevancy: Understanding your market/keywords and making sure that Google
• understands your site is relevant to your keywords.
• Popularity: How many sites are linking to your site as a reference point? The more quality links your site receives, the better you'll rank.