One big factor that can drive purchasing decisions is social proof. Social proof serves as validation of a product’s quality or value for money. If many people feedback a product to be good, your customers will assume that it must be good.
In Magento 2, there’re many ways to make social proof. Here are some tips that you can refer:
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https://bsscommerce.com/blog/5-magento-2-social-proof-types-to-increase-conversion/