# CRO Bible > A free browser-based Shopify CRO audit tool with 77+ conversion fixes, AI prompts, and live store previews. ## What it does The D2C CRO Bible is a free conversion rate optimization checklist for Shopify and D2C brands. It provides prioritized fixes across 6 page types (Homepage, Collection, Product, Cart, Sale, Sitewide), each with: - A strategic tip explaining why the fix matters - A copy-paste AI prompt for Claude, ChatGPT, or Shopify Sidekick - A live preview on a themed demo store ## Who it's for Shopify store owners, D2C brand founders, CRO specialists, and e-commerce marketers looking to improve their store's conversion rate. ## Key facts - 77+ audit sections across 6 page types - 9 brand themes (Skincare, Supplements, Jewelry, Fashion, Home Decor, Baby & Kids, Pets, Health Food, Electronics) - Weighted scoring system with per-page breakdowns - Progress saves locally and can be shared via URL - Completely free, no paywall or signup wall - Built by Suril Shah at TruImpact ## Pages - Main tool: https://crobible.com - Full checklist: https://crobible.com/checklist - FAQ: https://crobible.com/faq ## Detailed section reference See /llms-full.txt for the complete list of all sections with tips and impact levels.