CRO Djinn

AI-powered landing page analysis to maximize conversion rates

CRO Djinn helps you understand why your landing pages aren't converting as expected. Instead of guesswork or waiting weeks for an external audit, you can scan a page with this extension and get practical, structured insights & instructions in under a minute. ***Instructions to get a free Gemini API Key*** https://cro-djinn.vercel.app/#api-key-demo Problems Solved: • Advertisers need direction on what changes will improve conversion rates of their landing pages • Manual audits are inefficient & requires specialized knowledge • Existing tools like ChatGPT require manual effort through thoughtful & detailed prompts, screenshot's, & force you to stitch outputs together - CRO Djinn automates it all in a ready to share PDF in a fraction of the time & effort. CRO Djinn simplifies this by combining contextual & visual analysis with conversion optimization best practices & consumer psychology to give clear, prioritized recommendations in under 60s. How it Works: • Go to a page you want to analyze • Click the CRO Djinn icon • Scan the page (30–60 seconds) • Review summary and recommendations • Export a PDF if needed When you scan a page, CRO Djinn: • Receives a complete visual scan of your landing page • Receives complete contextual content (All text, CTA positions & sizes) • Adjusts analysis depending on page type & primary goal, i.e. home pages, pricing pages, blog pages, or campaign landing pages • Utilizes Page & Industry specific knowledge that adapts to your business - because a SaaS landing page shouldn’t get the same advice as an E-Commerce product page. • Provides prioritized Fixes, each with an impact/effort rating and actionable steps • Provides a customer Journey Lens - showing how visitors may be experiencing your page • Offers a PDF Export for clean reports you can share with stakeholders Works with either OpenAI GPT 5.2, 5.1, 5-Mini, 4.1, 4.1-Mini, & Gemini 3-Pro, 3-Flash, & 2.5-Pro Cost: • FREE with Google Gemini (Gemini 3 Flash) • OpenAI GPT-5.1/5.2 available at standard usage cost (~$0.03–$0.08 per page) No subscriptions, no credit card, no account setup Update v1.0.2: Added New Gemini 3 & ChatGPT 5.1/5.2 models. -Deprecated both 2.5 Flash for poor quality and GPT 5 for slow response time -Google updated free tier rate limits, Gemini 3 Flash is free, 2.5 pro & 3 Pro require paid keys