
Firefox extension HistoryBlock enables you to prevent certain speciic web sites from being tracked.
This tool will allow the user to specify a list of hosts to be blocked from the history tab, the recently closed tabs list, and the download manager (ctrl+j). HistoryBlock is a Firefox Add-on that works comparably to the newly created Chrome’s Incognito mode, but without the necessity of switching modes while using the browser (or opening in new windows, etc).

Click the “Options” button under the addon and add a hostname to be blocked.
Important facts
- HistoryBlock keeps all blacklisted data hashed, so the about:config page will NOT reveal any information to anyone who gains access to your computer.
HistoryBlock blocks:
- history entries
- recently closed tab entries
- download manager entries
- cache entries
- cookie entries
Read More: HistoryBlock
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