Practical guides on extracting structured data from websites: schema design, CSS selectors vs. LLM extraction, output formatting, and quality validation.
436 articles
Learn how to cut LLM token usage in RAG pipelines by extracting clean Markdown or JSON from web pages instead of raw HTML, lowering costs and improving retrieval quality.
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Learn how to scrape niche.com reviews and neighborhood data using Python and Node.js. A technical guide to handling anti-bot protections and structured extraction.
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Learn to scrape Glassdoor Interviews for job market insights using AlterLab's API. Python/Node.js examples, Cortex extraction, pricing, and compliance best practices.
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Learn how to scrape Rate My Professors using Python and Node.js. This technical guide covers anti-bot handling, structured data extraction, and scaling pipelines.
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Learn how to navigate dynamic pagination in modern web applications using API interception, headless browsers, and automated scraping workflows.
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Learn how to scrape LoopNet for real-estate data using AlterLab's API with Python and Node.js. Handle anti-bot protections and extract structured data efficiently.
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Learn how to scrape WebMD data using Python and Node.js. This guide covers handling anti-bot protections and using AI for structured data extraction.
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Step-by-step guide to scrape Martindale with Python and Node.js using AlterLab's scraping API. Includes code examples, pricing, and legal best practices.
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Learn how to scrape apartments.com safely and efficiently using AlterLab’s API. Includes Python, Node.js, and Cortex examples, pricing, and best practices.
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Learn how to scrape drugs.com using Python and Node.js. This guide covers extracting public academic data, handling anti-bot protections, and using Cortex AI.
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Learn how to use CSS selectors and XPath for precise web data extraction. This guide covers implementation, performance, and when to use each method.
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Learn how to scrape Healthgrades data efficiently using Python and Node.js. This technical guide covers extracting public reviews and navigating anti-bot protections.
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