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Audit multi-page CRO with GPT-4o-mini, Google Sheets, and Gmail alerts

by Incrementorsadapted from n8n official workflow galleryUpdated Aug 2026
RequiresAAI AgentCCodeGmailGmailGoogle SheetsGoogle SheetsHTTP RequestHTTP RequestOpenAI Chat ModelOpenAI Chat ModelStructured Output ParserStructured Output Parser
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Fo1. Form — Multi-Page CRO Audit1. Form — Multi…Se2. Set — Config Values2. Set — Config…Co3. Code — Build Pages List3. Code — Build…HR4. HTTP — Scrape Landing Page4. HTTP — Scrap…Co5. Code — Clean HTML to Text5. Code — Clean…Ag6. AI Agent — CRO Audit6. AI Agent — C…7. OpenAI — GPT-4o-mini Model7. OpenAI — GPT…OP8. Parser — Structured CRO Output8. Parser — Str…Co9. Code — Prepare Audit Results9. Code — Prepa…10. Google Sheets — Log CRO Audit10. Google Shee…If11. IF — Score Below Threshold?11. IF — Score …12. Gmail — Send CRO Alert12. Gmail — Sen…Se13. Set — No Alert Needed13. Set — No Al…123456789101112
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STEPS · 12
Starts on an incoming request

Description Submit up to 3 landing page URLs using a simple form and the workflow audits each one automatically. For every page, GPT-4o-mini scrapes the content, scores it across five dimensions, identifies the top conversion issue, and generates five specific page fixes. Every result is logged to Google Sheets and pages that score below your alert threshold trigger an automatic Gmail alert with the full breakdown. Built for marketing managers, agency owners, and growth teams who need structured, repeatable conversion audits without spending hours reviewing pages manually. What This Workflow Does Scrapes and cleans each page automatically** — Fetches the raw HTML for every URL submitted, strips all scripts and styles, and prepares clean text for AI analysis Scores pages across five CRO dimensions** — GPT-4o-mini rates each page on overall conversion potential, CTA strength, trust score, and message clarity on a 1–10 scale Generates a letter grade per page** — Assigns A+ through F based on the overall score so you can rank pages at a glance Produces five page-specific fixes** — Every fix references actual content from the page and is scoped to be doable within 1–2 days — no generic

Tags

n8nreference-onlyagentgmailgoogle-sheetslm-chat-open-aioutput-parser-structured
Connects
AAI AgentCCodegmailGmailsheetsGoogle SheetsWHTTP RequestopenaichatmodelOpenAI Chat Model
CategoryAI Automation
Triggermanual
Complexitycomplex
Nodes13
AddedApr 18, 2026

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