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Hi there If the PDF's URLs are changing, then yes you should redirect the old URLs to the new URLs. Even more so than a search engine perspective, if users have bookmarked or saved the link to your content, they need to be redirected. My vote - include them, be on the safe side. Also make sure internal links and the sitemap XML is updated to include the new URLs. Hope this helps! Good luck! Patrick

Hi Brett, thanks for the response. I am on Chrome in Windows. This is the first time that I have noticed a page cached for more than 72 hours after a site update.

Thank you for your response! Unfortunately, we're not working within wordpress, so it's not as simple. The article you referenced was very easy to follow but im concerned that it's a bit outdated since it was from 2010 and we all know best practices change. I'm hoping I can use it as a basic guide to share with my dev team. Thanks!