Below are some of the top reason of having site which is mobile supported:
Large usage of mobile: As per one of the research there has been more than 1.4 billons smart phone users in the world. From which around 90 to 95% users search their queries on smart phone. So if your business model don’t support mobile website then you have been missing a huge number of customer. These number will be going too high in the nearby future so you should definitely think about mobile support site because you can easily find everyone on mobile and make growth of your business.
Chance of product sell is more: Across all the devices the mobile users spends more of the money rather than desktop counterparts. If they like something they make their frequent purchase. If you Have the product which cost less than 15$ then smart phone users would be ideal targeted audience for your offer and the chance of product selling is more.
Google supports mobile friendly pages: For past some period of time Google has been favouring the site which is mobile friendly and help that site getting increase in SERP ranking. It has been hear out that mobile responsive supported site is more important for getting organic traffic and pleasing Google. As per one of the Google algorithm the website might get penalties if they failed to meet up standard mobile friendliness. So you should definitely take care of it.
These are some of the main reason why your site is responsive and mobile friendly. Now it’s time to invest your time and money making your site more mobile friendly and increase your business growth.