Mozilla upgraded Firefox Private Browsing Mode on their web browser to monitor privacy just a bit more closely. The problem that the feature faced in the past was that while it did delete cookies and information from browsing history after closing the private window, the websites themselves still kept the information. With this new upgrade, Mozilla has added a new layer of privacy by outright locking embedded code in websites that track behavior around the internet. That means ads, browsing habits, and social sharing buttons are more closely managed and kept behind a very strict line.
This is speculated to be an effort on Mozilla to push for a more open web that gives publishers and developers the ability to monetize their work and balance user privacy at the same time. It’s not looking to kill any advertising based businesses through Firefox Private Browsing Mode, but to encourage a halfway point.
This doesn’t mean that Firefox Private Browsing Mode guarantees complete privacy. For one, internet service providers and network admins will still get access to users’ browsing history, cookies and other information. This, however, is a clear attempt from the part of Mozilla to compete against the monster that is Google Chrome by creating these features centered around the users and mark themselves as different from all other browsers.