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Guide

Social proof: what it is, the main types and where to use each

Social proof is evidence that other people trust you, such as reviews, testimonials, case studies, client logos and usage numbers. It works because visitors look to other people's experience to decide whether to buy, so it belongs close to the point where they make that decision.

By the VouchRabbit team. Updated November 3, 2026.

The main types of social proof

Different types suit different moments in a visit.

  • Customer reviews: ratings and comments from platforms such as Google and Trustpilot
  • Testimonials: a quote from a named customer, ideally with a result
  • Case studies: the longer story of how you solved a problem
  • Client logos: a quick signal that recognisable companies work with you
  • Numbers: customers served, projects delivered, average rating
  • Third-party badges and awards

Where to put each type

Near the main button on a landing page, a short quote or rating. Next to pricing, reviews that mention value. On a checkout or booking page, a small badge or a quiet pop-up. On a services page, a grid of reviews that match the service.

What makes proof believable

Specific beats vague. Names, photos or links back to the original source help. A few critical reviews among the good ones look more honest than a wall of perfect scores.

Keeping it current

Old proof looks like a business that has stopped trying. Pulling reviews in automatically and approving new ones regularly keeps your pages fresh.

The steps

  1. 1

    List the proof you already have

    Reviews, kind emails, case studies, logos and numbers.

  2. 2

    Match proof to the page

    Put the most relevant proof near the decision point.

  3. 3

    Show specifics

    Prefer reviews that mention a result, and link to the source.

  4. 4

    Update regularly

    Add new reviews as they arrive.

Frequently asked questions

What is social proof in marketing?
Social proof is the influence of other people's behaviour and opinions on a buying decision. In marketing it means showing evidence that others trust you, such as reviews, testimonials, case studies and client logos.
What are examples of social proof on a website?
Examples include a carousel of customer reviews, a quote with the customer's name and photo, a row of client logos, a rating badge and a counter showing how many customers you have served.
How many reviews should I show on a page?
Enough to feel substantial without overwhelming the page. A few strong, specific reviews near the main action usually beat a long list.

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