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CloseReview for Live HTTP Headers by SomeRandomGal7
Rated 1 out of 5 stars
I found this add-on tremendously useful in early versions of Firefox, but recently I discovered navigating to the browser console (Ctrl+Shft+K for Windows users) and ensuring 'Logs' are enabled under the 'Networking' filter will show the same thing in a sub-window of the current tab; perhaps even more neatly than this add-on can.
Open question: Is this add-on entirely obsolete, or might it still have some use?
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