Grow revenue with AI-powered website intelligence.
AI audits for copy, performance, and competitors - built for growth teams.
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Audits shipped
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Median CRO lift
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Average audit time
SOC 2
In progress
Trusted by leading teams
Used by 150+ industry leaders
Stripe
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Figma
Notion
Vercel
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Everything you need to convert better
01
Conversion audit
CTAs, value proposition, and friction points - pinpointed in seconds with AI precision. Get a prioritized list of fixes you can ship today.
02
Copy rewrites
Headlines and microcopy tuned to convert your exact audience.
03
Design signals
Visual hierarchy, trust and clarity scored line by line.
04
Competitive intel
See what top performers do differently. Benchmark your page against 50,000+ high-converting landing pages in your category.
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Pages analyzed
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Avg. conversion lift
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Wall of Love
Loved by growth teams
Cortex found 7 critical conversion killers on our hero section. We implemented the fixes and saw a 42% lift in sign-ups within two weeks.
Sarah Chen
Marketing Director at TechFlow
Questions?
Frequently asked
We use advanced AI to read your HTML, CSS, and copy. Our models are trained on 50,000+ landing pages to identify conversion patterns and anti-patterns.
No. Your URL is analyzed in real-time and not stored. We only return the optimization report.
Most analyses complete in 30-60 seconds. Complex pages may take up to 90 seconds.
Yes. The findings are framework-agnostic and apply to any landing page, product, or pricing page.
Conversion intelligence, right in your browser.
Audit any page you visit with one click. Free to install - limits scale with your plan so power users never get blocked.
- Free— 5 quick audits / day
- Starter— 50 audits / day
- Growth & Scale— Unlimited audits + team sync
On the roadmap · Cortex Campus & Cortex Student
University portal for Digital Marketing departments - invite students Canva-Teams style, with free Student seats provisioned by email.
Why Cortex
Built to replace the stack
Enterprise-ready