
Nostra's edge acceleration delivered a 21% CVR increase against the holdout group — compounding the gains from Simplistic's CRO redesign.
Faster pages plus a frictionless mobile-first redesign drove meaningful revenue growth quarter over quarter.
Smoother PDP → Cart → Checkout transitions kept more shoppers in the funnel during peak acquisition periods.
Speed and simplified CTAs gave mobile shoppers confidence to browse deeper and add more — lifting basket size alongside conversion.
300+ enterprise and high-growth brands rely on Nostra to deliver instant site speed, stronger SEO performance, deeper personalization, and clean, actionable marketing data.
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Across 317k sessions, Nostra cut Time to First Byte by more than 55% on Carve Designs' top 10 most-trafficked URLs, from the homepage to sale landing pages to new arrivals. Mobile conversion lifted 6.03%, revenue per visitor lifted 5.76%, and the math compounded into a 12.8X return.

Warmies paused Nostra in early October 2025 to run a 30-day in-house Shopify optimization sprint. Their team wanted to see how far they could push site speed through their own theme updates, app cleanup, and Shopify improvements. After the sprint, they turned Nostra back on November 9, 2025 to compare the optimized Shopify stack with Nostra layered back in.

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.