Keywords research and its importance in digital marketing

On the way to going through an SEO service, you will surely need a companion in the form of keywords. And keywords are considered to be an essential element when it is about providing the best digital marketing. If a person is learning the SEO service hour with digital marketing, then you would have surely heard about the keywords research. This term would have come several times in your learning way, and you would have thought of it as an essential part.