Very important! You can find out how small or big your market weighs by using the free traffic tool called SEM Rush. The minute someone hear about a product or service, they'd research its significance through their favorite search engine, likely Google since it searches are very relative, so, it only makes sense to use search engine behavior tools to analyze these statistics.
Great programming engineers have created tools to track search behavior which serves as a plus for webmasters like you and I. Try it out by visiting, semrush. com. Type in keywords that is laser related to your subject inside SEM Rush toolbar and and press search. Copy and paste a list of related keywords pertaining to your subject inside notepad to keep an sustainable archive of keywords to target, this reference is important.