Important components of search engine optimization include the creation of relevant content, the use of the most appropriate keywords, meta titles and/ or descriptions as well as internal linking on the website.
Google tries to define the best solution for your research according to the reader’s standards with the help of an algorithm. The ranking is also based on these criteria.
Therefore, SEO can potentially deliver very cheap and profitable traffic. However, nowadays the competition is also accordingly strong and the demands of the search engines on high-quality content lead to the fact that SEO becomes more and more expensive and therefore less profitable.