macOS High Sierra: How to stop autoplay videos in Safari 11

In macOS High Sierra (and Sierra, too), you can easily disable autoplay video and surf the web in relative peace. Here's how it's done.
auto play video stopped safari 11
  • Mac
  • MacOS
  • Video
  • Safari
  • MacOS High Sierra
Roman has covered technology since the early 1990s. His career started at MacUser, and he's worked for MacAddict, Mac|Life, and TechTV.