What is SEO meaning? It is Search Engine Optimization the term covers a number of activities. Let's quickly mention them. But before couple of words about what search engines are and what they do. Their main work is to crawl web and index websites and then return most relative results to a search query users input. The leader is Google search engine, then go Yahoo, Bing, Yandex and others. Search bots see web page different from humans and the goal for SEO is to help them to understand web page content, so they could index it. General recommendations are: use keywords for URL and make page hierarchy clean, fresh and keyword reach text to what users are looking for. Create for users not for robots! Find a good tutorial and learn about meta tags, meta descriptions, Open Graph protocol, Facebook apps and Twitter cards, domain and page authority, trust and citation scores. Check website with search engine optimization tools.