Renamed Collection URL and Lazy-Load Bug Wiped a Store's Top Product from Search

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A handmade lighting store's best-selling product vanished from search results shortly after a new theme launch, prompting an urgent investigation. The root cause turned out to be two separate issues: a collection renamed in the dashboard had silently changed its public URL, breaking over a year's worth of inbound links and passing search authority into a 404 dead end. A permanent 301 redirect was added to restore the old path and recover the lost link equity. A second problem was found in the product grid's 'Load More' button, which loaded additional items via JavaScript without providing crawlable HTML links, leaving the best-seller invisible to search crawlers. The fix preserved the interactive UI while adding a real anchor tag so both crawlers and users could reliably reach the full catalog.

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