For Google, many factors play a role in achieving SEO goals. It starts with the website and choice of the URL, goes through content to the distribution of content on the Web. The search engine needs the right information, which it can process to place web pages in desired positions. An intelligent structure and the structure of the website, correct paths or title designations have a positive effect on direct communication with Google. Another important factor is the fact that the website has a mobile version or is created responsive. Google recently rated these websites as positive. In addition to the mass on-page measures (some have been mentioned above), off-page optimization is another key success factor. Here are links (so-called: backlinks) that link from other websites to the own, the significant role for the search engine optimization.