HSTS (HTTP Strict Transport Security) is a feature that forces HTTPS connections to websites which opt in to support it.
Oftentimes ads – and all the tracking functionality that comes with it – can outweigh (in byte-terms) the website itself.įirefox Focus also includes an HSTS preload list. “Much of what makes mobile web pages slow is the technology used to track users on the web,” writes Mozilla. You can customize how much Focus blocks with separate options to toggle blocking ad trackers, analytics, social media trackers, and even some performance-based blocking like web fonts. If you need a more full-featured browser, Firefox Focus can lend its blocking abilities to the Safari browser, a capability which Apple first made available in iOS 9. This is not a fully loaded browser – it does not even have tab support. If you are familiar with Privacy Badger, a popular extension for desktop browsers, Firefox Focus provides similar protections on your iPhone or iPad.įirefox Focus is a very paired down app with, as the name suggests, a laser focus: privacy. As the web browser receives data from a website, it identifies the trackers and simply refuses to load/execute them. Usually this functionality is bundled into the ads you see, so Firefox Focus also functions as an ad blocker.Ĭonceptually, blocking trackers is fairly simple. “Trackers” is the generic term given to any script or code on a website which records and reports on your activity. Named “ Firefox Focus,” the browser incorporates automatic blocking of trackers that record your activity on the web. Mozilla has released a new web browser for iOS with a focus on privacy. In Industry Lowdown Mozilla Launches a New Browser for iPhone That Blocks Ads and Tracking.
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