Advanced SEO refers to any collection of SEO tactics that necessitate a high level of expertise. It varies from person to person, but let’s just say you’re not going to be able to perfect these skills in the first few months.
Complex SEO often entails more advanced technical principles and/or a better understanding of how Google’s algorithm works. With study and effort, anyone can master advanced topics.
It is a set of SEO techniques that require some expert knowledge. Advanced SEO typically involves technical concepts that are somewhat advanced, and/or a deeper understanding of the workings of Google’s algorithm.