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How can I track price changes on Mercari Japan using Ruby?
I use the Nokogiri gem in Ruby for scraping Mercari Japan’s product listings, focusing on price data and seller information.
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3 Replies
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- Since Mercari uses AJAX for some dynamic content, I combine Nokogiri with Watir to handle content that loads after page interactions.
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- Setting up a scheduled scraper lets me track price drops on high-demand items, particularly in categories like electronics or fashion.
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- By capturing both the list price and sale price, I can analyze discount trends and identify seasonal sales patterns on Mercari.
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