
Measured via live holdout on production traffic, twelve months into the partnership. Not a launch-day spike, a sustained, compounding result.
Nostra commits to a minimum 3% CVR lift. Performance-based pricing means if they don't clear it, they don't get paid. The floor isn't a goal — it's a promise.
Trust-sensitive category, heavy mobile traffic, paid acquisition, first-time visitors, heavier tech stacks — brands that fit this profile consistently land well above the median.
Every number comes from a live production A/B test — a statistically significant holdout group served the unaccelerated experience, measured against the rest. No attribution models, no synthetic benchmarks.
300+ enterprise and high-growth brands rely on Nostra to deliver instant site speed, stronger SEO performance, deeper personalization, and clean, actionable marketing data.

Credo Beauty, the retailer with the highest standards partnered with Nostra to eliminate site speed as a conversion killer - then partnered with Noibu to independently validate the impact.

Discover how Pressed Floral boosted sales, speed, and mobile conversions with Simplistic + Nostra.ai.

See how Denver Modern boosted site speed by 48% and increased conversions by 8.46% during BFCM 2024 — proving faster sites drive real revenue.