Enable SSL: Enabling SSL (Secure Sockets Layer security technology) has been observed as massively boosting sales; when people see the green padlock and “HTTPS” in their browser’s address bar, they’re more likely to buy from you.
Use security seals: Research shows that displaying security seals on your website is the foremost way to get people to trust and buy from you. Simply embedding a familiar security seal will go a long way to increase your trust factor and maximize sales.
Make an address and phone number visible: Available data shows that having a visible phone number and physical address on your website can boost sales by up to 5 percent.
Have a social media presence: Even if you’re a brick and mortar store, you’ll lose out on a lot of business if you don’t have a diverse digital footprint. In addition to your website, you should maintain an active, attentive presence on each of the major social networks.