This question already has an answer here:

How do I cause Firefox to display only new data; not cached data. In particular I am concerned about old data in all interstitial locations such as Content Delivery Networks (CDN) that have what appears to be old webpages and their associated streaming video. How do I know the content is old? I inferred it from the date visible on the webpage.

Edit: The CDN cache is not the same thing as my Firefox cache, so this is not a dupe question.

marked as duplicate by Ƭᴇcʜιᴇ007, Tog, Kevin Panko, Excellll, laurent Mar 23 '14 at 5:20

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • This is not a duplicate question. The question refers to all caches, not only those in the client computer's browser. – H2ONaCl Mar 21 '14 at 14:43
  • That's two questions pointed out there, neither of which are talking about anything but the client browser cache, so I'm not sure why you think it's not a dupe. But hey, takes more than one vote. – Ƭᴇcʜιᴇ007 Mar 21 '14 at 14:58
  • If you re-read my comment, you'll know why it's not a dupe. – H2ONaCl Mar 21 '14 at 15:22
  • I'm not following -- in your comment what questions is "The question" in your second sentence? Neither the marked dupes, nor yours (How do I cause Firefox to display only new data; not cached data?) seems to be about anything other than preventing FF's from showing you data form it's cache, and the way to do that is to disable the cache (or hit ctrl-F5 manually each time). Perhaps edit your question here and add information explaining how this question is different? – Ƭᴇcʜιᴇ007 Mar 21 '14 at 15:30

Private Browsing mode is your friend (Ctrl+Shift+P).

Or you can Ctrl+F5 to refresh everything.

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