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What’s the best way to scrape e-commerce sites for product specifications?
I set up scripts to navigate product categories first, as this reduces redundant scraping of main product listings.
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7 Replies
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Using BeautifulSoup for simple product pages with static HTML works well for grabbing titles, prices, and descriptions.
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I use Scrapy for larger e-commerce sites, as it’s faster and has built-in pagination support, ideal for scraping high volumes of products.
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Setting up selectors for structured elements, like specifications tables, allows for precise extraction of key product details.
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For sites with JavaScript-rendered specs, I rely on Playwright or Selenium to render the full page before scraping.
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Some product pages load additional specs via AJAX, which can be extracted directly from API calls identified in network traffic.
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Tracking changes in specifications over time is possible by storing each crawl’s data with timestamps. This is useful for product comparison.
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I ensure that scraped data includes identifiers like SKUs, which help avoid duplication when tracking product updates over time.
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