{"product_id":"n8n-audit-ai-citation-gaps-chatgpt-perplexity-slack","title":"n8n Audit AI Citation Gaps: ChatGPT \u0026 Perplexity + Slack","description":"\u003ch3\u003eFind out where your brand is mentioned vs. cited—then fix the content gaps\u003c\/h3\u003e\n\u003cp\u003eThis weekly n8n workflow audits how often your brand is named and how often it’s backed by \u003cem\u003ecited links\u003c\/em\u003e in ChatGPT (with web search) and Perplexity. It then ranks the external pages earning those citations and logs a content-gap backlog in Google Sheets—so you know exactly what to build next.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRuns weekly on a schedule\u003c\/strong\u003e and reads one brand’s settings from Google Sheets (domain, sitemap path, competitors, sampling\/notification settings).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalyzes your sitemap\u003c\/strong\u003e, including following a sitemap index one level down when needed, and scores URLs to select the most commercial pages to sample.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenerates buyer-style questions\u003c\/strong\u003e using OpenAI from the themes of selected pages (without naming the brand), then expands them into multiple repeated runs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChecks both engines\u003c\/strong\u003e by sending each question to Perplexity and to the \u003cstrong\u003eOpenAI Responses API\u003c\/strong\u003e (with web search), then normalizes results into a single record containing answer text and cited URLs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalculates mention rate, citation rate, and stability\u003c\/strong\u003e per question and engine, and ranks external cited URLs (excluding your own domain).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClassifies winning external pages\u003c\/strong\u003e with OpenAI (format, topic, and why they earn citations).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReports and logs results\u003c\/strong\u003e by generating a week-over-week HTML report, saving run history to Google Sheets, emailing via Gmail, and writing each citation gap as its own row in a “Content Gaps” backlog.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptionally alerts in Slack\u003c\/strong\u003e if citations drop significantly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eValidate whether your SaaS or product is only \u003cem\u003ementioned\u003c\/em\u003e or truly \u003cem\u003ecited with links\u003c\/em\u003e in AI answers.\u003c\/li\u003e\n  \u003cli\u003eIdentify competitor vs. category pages that win citations and reverse-engineer why.\u003c\/li\u003e\n  \u003cli\u003eTurn AI citation losses into an actionable Google Sheets backlog for content planning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003en8n nodes\/stack shown: \u003cstrong\u003eif, code, gmail, merge, slack, sticky note\u003c\/strong\u003e (plus the workflow’s use of OpenAI, Perplexity, and OpenAI Responses API with web search).\u003c\/li\u003e\n  \u003cli\u003eOutputs: HTML trend report, Google Sheets history, email via Gmail, optional Slack notifications, and Content Gaps backlog rows.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":46192882450611,"sku":"N8N-20436","price":42.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/G2dNB-wXFV50bpoApvxN2_tvHGNcrh.png?v=1791538416","url":"https:\/\/buyflowscripts.com\/products\/n8n-audit-ai-citation-gaps-chatgpt-perplexity-slack","provider":"N8N Commerce","version":"1.0","type":"link"}