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How do you handle pagination when scraping websites?
Posted by Hovsep Gayane on 10/28/2024 at 3:16 pmIdentify the URL structure for pagination—usually, it’s a query string or page number in the URL.
Darrell Terpsichore replied 1 month, 2 weeks ago 8 Members · 7 Replies -
7 Replies
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For sites using AJAX to load more content, monitor the network tab for API calls and replicate them.
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If the page uses infinite scrolling, Selenium or Playwright can simulate scrolling.
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I typically inspect the pagination structure to see if there’s a predictable pattern in the URL (e.g., page=2). I then increment the page number until there’s no more data, which stops the script when all pages are scraped.
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Many times, sites have hidden pagination APIs that power the ‘next’ button. Inspect the network requests to see if there’s a JSON endpoint or similar. You can then scrape the JSON directly, skipping HTML parsing altogether.
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For infinite scrolling, I use Selenium to simulate scrolling, waiting for new data to load each time. You can control the scroll rate and set timeouts to ensure all items are loaded.
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Scrapy’s pagination support is helpful if you’re using that framework. It can auto-detect pagination links based on your rules, which reduces custom coding, and it stops when no next link is found.
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I typically inspect the pagination structure to see if there’s a predictable pattern in the URL (e.g., page=2). I then increment the page number until there’s no more data, which stops the script when all pages are scraped.
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