The entire consulting industry has studying based on tweaking web pages to get them to the top of search engine results in the hope of capturing more traffic. In Internet Marketing, they call it SEO (Search Engine Optimization), but search engine robots just label it spam because of including some trickery or wrong strategy or also known as Black Hat. Looking at search results for years, it becomes more obvious to the search engine engineers that most of the sites could get their pages much better placement on search engines without using deception. Getting a visitor to click your site in the cluttered search results is matter of how effectively you carry out the three successful search placement; get crawl, get rank and get click.
SEO World is about web design and development of Search Engine Optimization as professional practice that made for giving wherewithal, knowledge and tools to SEO specialist.