+8.8% super easy (study)

In a study, they A/B tested the same customer reviews on their landing page.

The only difference was…
A. Variant had the star ratings: ★★★★★
B. Control – didn’t.

Result:
the star ratings outperformed “no stars” by +8.8%.

Bonus:
By mentioning the company size by including exact numbers in the customer reviews, their conversion rate increased by 22%.

Source: klientboost.com/cro/landing-page-social-proof/