There are many Unchanging SEO Principles that have stood the test of time and will continue to be important for a long time coming!
I use all of these principles when creating an SEO Strategy for all my clients and my own personal projects. Make sure that your SEO Consultant or Company understands and applies these principles (hint: most don’t know half of these!).
Check out my video where I go into a lot of detail about these Search Engine Optimization Concepts: