Chillopedia | If you think compiling a few sentences with some writing skills is enough for you to craft an SEO optimized article — think again. It may be easy to say but it is never that simple to do. There are a few things you need to know about SEO before hand. Like what is Search Engine Optimization and what does it mean by on-page SEO and off-page SEO etc, only then you would be able to improve the search engine rankings of your keywords. Search engines use advanced algorithms to generate search results after extremely complex comparison between various indexed web pages.