Add authentic testimonials from your customers, in their own words, talking about your products or brand, so that future customers can identify with them and their needs. Testimonials provide social proof and build trust with customers. By reading about the positive experiences of other customers, potential customers are more likely to take the next step and to buy from you. What's more, customer testimonials are high-quality content that is relevant to your target audience, so they can help to boost your SEO.