Who is this workflow for? This n8n workflow automates the extraction of structured JSON data from any web page using ScrapeNinja and AI-powered code generation. By leveraging advanced tools, it ensures reliable data scraping even when web page layouts change..

What does this workflow do?

  • Scrape Webpage HTML: The workflow begins by using the ScrapeNinja n8n community node to fetch the HTML content of the target web page.
  • Generate Extractor Code with AI: The scraped HTML is sent to a large language model (Google Gemini) which generates a JavaScript function tailored to extract the desired data from the HTML structure.
  • Execute Extractor Function: The generated JavaScript extractor function is executed within a secure sandbox environment, ensuring safe processing of the HTML and accurate data extraction.
  • Output Structured JSON: The extracted data is formatted into structured JSON, making it easy to integrate with databases, APIs, or other applications.

To install the ScrapeNinja n8n node on your self-hosted instance:

  • Navigate to Settings -> Community nodes.
  • Enter "n8n-nodes-scrapeninja" in the search field and proceed with the installation.
  • Ensure your n8n instance is updated to at least version v0.3.0.

For a demonstration, visit the LinkedIn post showcasing this workflow in action.

  • Postgres
  • n8n

🤖 Why Use This Automation Workflow?

  • Resilient Scraping: Automatically adapts to changes in web page layouts, reducing maintenance efforts.
  • AI-Powered Extraction: Utilizes large language models to generate precise data extractor code.
  • Secure Execution: Executes extractor functions in a sandbox environment to ensure safety and integrity.
  • Efficiency: Streamlines the data extraction process, saving time and resources.

👨‍💻 Who is This Workflow For?

This workflow is ideal for:

  • Developers seeking automated solutions for web data extraction.
  • Data Analysts requiring reliable and structured data from various websites.
  • Marketers who need to gather competitive intelligence and market data.
  • Businesses looking to integrate web data into their applications or databases.

🎯 Use Cases

  1. Competitive Analysis: Automatically extract product prices and descriptions from competitor websites to monitor market trends.
  2. Content Aggregation: Gather articles, posts, or listings from multiple sources to create a centralized content repository.
  3. Lead Generation: Collect contact information and other relevant data from business directories and online profiles.

TL;DR

This n8n workflow leverages ScrapeNinja and AI technology to provide a robust solution for web page data extraction. By automating the generation and execution of extractor code, it ensures consistent and reliable data collection, even as web page structures evolve.

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