In this thesis I first presented the work of search engines. What are their objectives, goals and technology. Then I focused on search engine Google and its technology and tools to assist in optimization, as they are a leading provider of search technologies in the field.In the following chapters I focused on the process of optimizing websites for search engines and the theory behind it. In the third section, we take a closer look at the analysis and identification of key words and tools to help us find and establish their value. The fourth chapter shows and explains the practical realization of performance optimizations in the code. Then followed the acquisition of links and content publishing on the web.I conclude with presentation of too...