Firefox 85 adds supercookie protection. What about Safari?

In technology news today Mozilla announced that it has added built-in protection from supercookies to Firefox 85. “Firefox now protects you from supercookies, a type of tracker that can stay hidden in your browser and track you online, even after you clear cookies,” Mozilla explains in a blog post. “By isolating supercookies, Firefox prevents them from tracking your web browsing from one site to the next.”

With Safari being my main browser and Firefox being secondary I wondered if Safari might have the same protection from supercookie tracking? To my surprise, it does and has since 2018.

“Quietly and without fanfare Apple has rolled out a change to its Safari browser that munches one of the web’s most advanced “super cookies” into crumbs.” Apple burns the HSTS super cookie WebKit blog: Protecting Against HSTS Abuse