The sentence needs a concrete audience
Do not only say that the product improves efficiency. Say whose efficiency, in which situation and why that person should care.
Do not stop at features
Features are implementation. Positioning needs to express the result the user gets and why this product is worth trying.
Make the page reinforce the same idea
Headline, subcopy, proof, FAQ and CTA should point to the same judgment. If every section says a different thing, the page becomes harder to trust.