Search Engine Ranking (SER):
Search engines look for particular keywords, keyword phrases and return a list of those best qualified (according to algorithms) to be useful.
The position of a site on a particular search engine.
Typically search engine users visit only high-ranking sites, so a high position is important.
The better your search engine ranking, the more traffic you'll get to your Website and the more sale you'll ultimately generate.
It's highly recommended that you budget a few hours a month $50 - $100 bucks, and work with your webmaster improving your SER using SEO and all you can to improve your search Engine ranking