Autoplay video: The bane of the web. You either hate them, or are completely disgusted by them. Fortunately, with Safari 11 in macOS High Sierra (Safari 11 is also available for macOS Sierra), you can easily disable autoplay video and surf the web in relative peace.
Here’s how to stop autoplay videos in Safari 11.
Stop autoplay videos: The quick way
1. When you’re on a website with autoplay videos, you can change how those video behave. Click on Safari > Settings for This Website or right-click the URL box and select Settings for This Website.
2. A pop-up will appear underneath the URL box. There is a listing that says Auto-Play. If you move your cursor over the phrase next to Auto-Play, you will see that it turns into a pop-up menu with three choices: