Do you have multiple YouTube tabs open? Typically, all videos autoplay as soon as they load. One way to prevent this is to use an add-on like Flash Block. With FB, you choose when, and whether or not, to allow flash videos (including YouTube, Netflix, most random adverts, etc) to load and play.
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Do you have multiple YouTube tabs open? Typically, all videos autoplay as soon as they load. One way to prevent this is to use an add-on like Flash Block. With FB, you choose when, and whether or not, to allow flash videos (including YouTube, Netflix, most random adverts, etc) to load and play.