https://www.cnet.com/news/mozilla-firefox-joins-chrome-safari-making-it-easier-to-build-sophisticated-websites/

With Mozilla's flip of a virtual switch, life got easier for the people who make websites and the people who use them, which is to say, everybody.

On Monday, Mozilla accepted an update for its Firefox browser that enables technology called web components. You probably won't directly care about them unless you're a programmer. But you'll almost assuredly care about what they mean for intricate websites: fewer problems, faster loading and quicker improvements.