Responsive design is no longer an option, it’s a must.
Smart phones and tablets are ubiquitous. People of all ages and demographics are surfing their mobile devices for information and products.
If your website currently is not responsive, you’re basically in the stone age. Besides this obvious reason for a responsive design, did you know that a responsive site can actually aid your SEO?
Google wants users to search the web. Since users are accessing mobile devices at an exponential rate, Google responds in kind by favoring those sites that meet user needs. Basically the more friendly and usable the site is the higher the Google search engine rankings.
A mobile friendly site also encourages social sharing, which has a direct effect on rankings while also growing your site visits.
Check out this link for 5 specific benefits: https://www.searchenginejournal.com/seo-responsive-web-design-benefits/211264/