Before knowing the answer to this question, we need to discuss what SEO or search engine optimization is. SEO is a part of digital marketing. What website developers say. Your website should be made in such a way that it can be found on search engines. This method is called search engine optimization. SEO is a boro part of digital marketing. After creating a website if it is not SEO friendly then it can be said that the website is not useful. However, there are many websites online today that are not SEO friendly at all, but there is a lot of work to be done. So in relative terms, SEO or search engine optimization can never rule the world.