In Search Digital Marketing - Cornwall
Cornwall Digital Marketing
This time scale will depend on the keyword difficulty and competiton but that is an average amount of time you can expect to be waiting. A few years ago you would begin to see results much faster but Google has slowed the progress and you can usually expect a longer wait.
When you decide to start an SEO campaign for your business you will need to remember it is quite a long project that requires patience and allowing the agency to do what they excel at.