Without a doubt, the best way to increase your traffic long term, which will in turn increase your sales long term, is to increase your search engine rankings with search engine optimization (SEO). While search engine optimization will get your website ranking high in the search engine results, it also helps you accomplish a whole lot more. High rankings build the trust of your target audience. Think about it, if Google thinks your website is worthy of a page one ranking, your prospects will gain instant trust in your business.