I am using Mozilla Firefox as my web browser. I have configured it to clear cookies, active logins, form & search history, and offline website data when I close Firefox. Should I also configure it to clear the cache? What are the privacy implications if I don’t clear the cache?
EDIT: additional information:
- My goal is to reduce fingerprinting and tracking by websites.
- I use Mozilla Firefox on my personal laptop that almost never leaves my residence. The laptop has full disk encryption. I am the only user of the laptop.
- I don’t erase my web browser history. I want to keep browser history for my future reference.
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You probably want to add to your post what kind of device in what kind of environment we are talking about.
Is it a device in your own home where you live alone or something you carry around? Is the device storage encrypted?
What are you worried about? Local access or some sort of data leakage when you revisit a site?
Thank you for the feedback. I have added additional information to the original post. I hope that the additional information answers all your questions.
Is this really necessary since if it is your own device
Let’s look at this from an even more practical use case. The cache can become very large. To the point of it interfere with loading other programs and even itself. You absolutely should clear it even if you don’t care a privacy because the benefits are minimal
In my opinion there attack surface about cache of browser which can lead to privacy leak https://portswigger.net/web-security/web-cache-poisoning
