To be successful in your ecommerce, the usability is one of the fundamental parts, not just for customers to stay, but to keep them coming back again and again.
Make your ecommerce usable, Purchases without registration
We already know that it is important that your customers sign up on the page, so that purchases are credible and above all, so that you can send advertising of your products to their mail, however, putting the option that people can buy without registering, will make your sales increase by 20% since they you will greatly facilitate access to your products.
Let them navigate knowing where they are. Many people are going to enter your website for the first time and many people in turn will buy on the internet for the first time on your website, so clearly show the step they are in and let them go back or remove things from the cart easily, are things that will make want to return to your website and again.
Leave contact numbers. A page where you can't get in touch with your seller will never inspire confidence, because if your order doesn't arrive, who do you agree with?
Leave your potential buyers, all the data so that they can contact you. This will help them buy with more confidence and peace of mind. It is also recommended that you place the company SSL certificate, that shows that you are a prestigious company.
Confirm the orders. Once the customer makes the purchase, they must receive the order confirmation on their cell phone. This will allow the customer to have proof that they made the purchase, apart from the order on the web.
Very good article Susana, although the "you" in the title should not have an accent.
You write very well, because your article is very interesting.