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Conversion & CRO

The complete social proof playbook for SaaS websites

Testimonials, logos, numbers — social proof is the most underutilized conversion tool. Here's how to do it right.

xly
Fixly Team··8 min read

Social proof is the easiest way to increase conversions with zero product changes. Yet most websites either don't have enough of it, have the wrong kind, or put it in the wrong place.

The 6 types of social proof (ranked by impact)

1. Specific customer results

"We increased our conversion rate by 34% in 6 weeks using Fixly." This is the strongest form of social proof because it's specific, measurable, and implies that the reader could get similar results.

2. Customer count

"Trusted by 2,400 teams" works because of the bandwagon effect — if thousands of others use it, it must be good. Even small numbers work if they're real: "Trusted by 47 growing teams" is better than no number at all.

3. Logo bars

Recognizable brand logos signal that serious companies trust your product. You don't need Fortune 500 logos — recognizable within your target market is what matters.

4. Testimonials with faces and names

Generic testimonials ("Great product!" — J.S.) are nearly worthless. Testimonials with full name, title, company, and headshot are 3x more credible in testing.

5. Third-party reviews

G2, Capterra, Trustpilot, Google Reviews — these carry more weight than testimonials on your own site because you can't control them. Link to your review profiles.

6. Press mentions and awards

"Featured in TechCrunch" or "Best CRO Tool 2026" add third-party credibility. Even niche industry mentions help.

Where to place social proof

Above the fold (always)

At minimum, put a customer count or one strong testimonial within the first viewport. This is where most visitors decide whether to keep reading or bounce.

Near every CTA

Social proof near decision points reduces hesitation. A testimonial directly above or below your signup button reinforces the decision.

On your pricing page

This is where buyers have the most objections. Testimonials from paying customers (especially those who mention ROI) directly address "is this worth the money?"

In your footer

Contact info and review links in the footer serve as persistent trust signals on every page.

Common social proof mistakes

  • Too generic: "They're amazing!" doesn't help. Push for specifics from customers.
  • Too old: Testimonials from 2021 make visitors wonder if anyone still uses your product.
  • Stock photos: Using stock photos for testimonial avatars destroys trust. If you don't have a real photo, use initials — it's more honest.
  • No attribution: "VP of Marketing, SaaS Company" is barely better than anonymous. Real names and companies matter.

How to collect social proof when you're starting out

Ask at the moment of delight

When a customer achieves a result, emails you positively, or mentions you on social media — that's when you ask. Not a month later.

Make it easy

Don't send a long form. Send a two-question email: "What was the main result you got from using [product]?" and "Can we use your response on our website with your name?"

Offer to write it for them

Many customers are willing to provide a testimonial but don't want to write it. Offer to draft one based on their experience and let them approve/edit it. Most will say yes.

The social proof audit

Count the social proof elements on your top 5 pages. If any page has fewer than 2, fix it this week. The ROI is almost always immediate.

Similar blogs

More from Fixly — starting with posts in “Conversion & CRO”, then other recent guides.

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