They’re Still Loading.
You’re Already Converting.

Built for speed and more — no other tool gets you faster.

Nostra
Competitors

Dynamic content caching:
Unlike other companies, we cache dynamic content like your shopping cart, and personalized upsells—things that normally aren’t cached.

Nosta
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Competitors
No

A/B Test - Proven results:
Show speed difference and conversion rate lift

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Competitors
No

Dedicated support:
Each customer has individual assigned engineers and private Slack channels for personalized, real-time assistance.

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Competitors
No

Cookie extension:
We extend user cookies, allowing for longer attribution windows and more effective retargeting across platforms

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Competitors
No

LLM awareness:
Designed to detect and adapt to what AI bots are crawling on your site over time, helping you optimize for both humans and machines.

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Competitors
No

White-glove onboarding:
With zero code required—our team handles the full implementation for you.

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Competitors
No

Security audits + bot protection:
Nostra.ai defends against malicious bots and undergoes rigorous security audits to keep your site safe and secure.

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Competitors
No

Continuous speed optimizations:
Comprehensive help docs and quarterly speed reviews to continually uncover new ways to make your site faster.

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Competitors
No

Why companies choose Nostra 
over others

True A/B Traffic Split Tests

A fast site is critical for brand perception and user experience—but proving its impact on revenue is what really matters. With Nostra’s built-in 50/50 server-side split testing, you can measure exactly how speed affects performance in real time. We guarantee up to a 30% faster site and a lift in conversion rate—backed by true A/B testing and real customer data.

We're More Than Just a Site Speed Tool

Yes, we make your site faster—but that’s just the beginning. Nostra also extends cookie windows for better ad performance, protects against bot traffic that poisons your CVR, and helps you stay ahead by understanding how LLMs crawl and interpret your site. It's not just speed—it's smarter performance, end to end.

World-Class Support

Need help? We respond within the business day—every time. Whether you prefer email, text, or Slack, our team is ready on your terms. From white-glove onboarding to ongoing support, we make setup seamless and ensure everything runs exactly as it should—with minimal lift on your end.

Hear What Brands Are Saying

Speed Past the Competition—We'll Show You How.

Trusted by hundreds of brands