SEO stands for the English term “Search Engine Optimization”. In other words, search engine optimization. This does not optimize the actual search engine, but rather the content of the website is optimally prepared for the search engine. In addition to keyword research, competitor analysis and content marketing, there are various techniques to become even more successful on the web - i.e. to achieve better rankings. Such goals can be achieved with the right SEO support, for example.
Interested in other topics? Here we have a few more suitable explanations.