Mozilla engineer Marcos Cáceres echoed the thought a few days ago in a tweet taking aim at Google and Facebook. On Tuesday, he tweeted that Mozilla's decision to block cross-site tracking in Firefox made it a " day to celebrate." He saw Firefox and potentially Microsoft's Edge as allies. " Privacy is the new browser war," John Wilander, a Safari team engineer who helped create Apple's intelligent tracking prevention technology, tweeted back in 2017. Some browser makers see privacy as way to stand out against Chrome.
To thwart this, browser makers are cutting down on factors that can be used in fingerprinting and blocking identified fingerprinting scripts. There, tracking scripts embedded in websites gauge the features and configuration of your browser, a collection of data that can uniquely identify you. Blocking can sometimes cause problems with websites.īlocking cookies can lead to another tracking strategy called fingerprinting. You can disable the feature and opt for different levels of blocking. If you already have it installed, Firefox will enable blocking in the coming months automatically. Newly installed versions of Firefox will block trackers by default, Mozilla said. Even Google's dominant Chrome is starting to rein in cookies. Rival browser Brave also blocks third-party cookies.
Apple's Safari has blocked third-party cookies for far longer and more recently added a feature called intelligent tracking prevention that goes even further. Mozilla started letting people block tracking in 2017, but it isn't the first to enable the feature by default. Browser tracker blocking becomes standard Years ago, advertising technology companies were instrumental in shooting down a technology called Do Not Track that could have offered consumers a way to explicitly tell websites they didn't want their web behavior monitored, but now browser makers are moving ahead on their own. The moves mark an effort by browser makers to become more assertive even when it means overruling the instructions coded into websites. "We believe that in order to truly protect people, we need to establish a new standard that puts people's privacy first." " People feel increasingly vulnerable," Mozilla said in a blog post. Controlling browser cookies doesn't fix everything, but it can help with one part of the privacy problem by making it harder for companies to track you from one website to another.
Privacy problems like data breaches and Facebook's massive Cambridge Analytica scandal affected millions of people. Mozilla is blocking those third-party cookies under a Firefox feature called enhanced tracking protection it announced in 2018. Firefox lets you snub third-party cookies.Īfter more than a year ratcheting up its privacy protections, Firefox now blocks website cookies that can let advertisers and publishers track you across the web.Ĭookies are small text files that websites can store in your browser - either first-party cookies from the operator of the website or third-party cookies that can come along for the ride from advertising and analytics firms.
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