# Testimonials on the sign-up page: +56.94% sign-up completion

- Outcome: Won
- Page type: Signup page (SaaS)
- Elements: Testimonials, Social proof, authority & press
- Test run by: [Mida](https://liftarchive.com/practitioners/mida/)
- Commentary by: LiftArchive (our analysis, not theirs)
- Original source: https://www.mida.so/case-studies-how-mida-doubled-sign-up-rates-with-testimonial
- Page: https://liftarchive.com/test/mida-signup-page-testimonials/

Adding customer testimonial blocks to its sign-up page lifted Mida's sign-up completion from 37% to almost 60%, a 56.94% gain. Mida, an A/B testing tool, ran this test on its own site and published it as a Mida case study. The sample was small, at about 200 new sign-ups.

## Result

**+56.94% sign-up completion**

- Sign-up completion: 37% to almost 60%, reported as a 56.94% lift.
- Mida's own tool reported a 100% chance that the variant beats the original.
- The result rests on about 200 new sign-ups, so the true lift could be much smaller.
- The source headline says sign-ups doubled, but the measured lift was 56.94%.

## Control

The sign-up page showed the form on its own. About 37% of visitors who reached it completed sign-up.

## Variant

The same sign-up page, with embedded testimonial blocks from existing customers added next to the form. The testimonials were pulled in from Senja.

## Why it likely won (our reading)

- Seeing other customers' results at the moment of commitment can reduce doubt about whether the tool is worth trying.
- A bare form gives no reason to finish. Testimonials restate the value right where people decide.
- Visitors to an A/B testing tool are often marketers who look for proof from peers before signing up.

## Caveats

Small sample of about 200 sign-ups, and the vendor tested its own product with its own tool. Duration was not shared.

## How to run this test

- Hypothesis: If we add short customer testimonials beside the sign-up form, then more visitors will complete sign-up because they see proof that people like them get value.
- Primary metric: Sign-up form completion rate
- Guardrail: Activation rate of new sign-ups
- Guardrail: Page load time
- Guardrail: Trial-to-paid conversion
- Who should test it: SaaS products with a self-serve sign-up form and real, specific customer quotes to show. It may do little if your sign-up page already has strong social proof or most traffic arrives already decided.

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Credit: Mida ran this test and owns the result. Summary and commentary by LiftArchive (https://liftarchive.com/test/mida-signup-page-testimonials/).
Usage: Free to use, quote and build on, with credit and a link: name the practitioner or organization that ran the test and link to its LiftArchive page. The results belong to the practitioners who ran and shared them; the summaries and commentary are LiftArchive's.