Stop Autoplay will allow you to block the autoplay of the embedded music and movies in a website and then play it when you wishTo block the autoplay of the embedded media, you have two modes to choose: ??­ Disable only the autoplay of the embedded media. In this cas, the media file will still be loaded and embedded when page is loading. Press the Play button of the controller when you want. ??­ Block the media when loading a page. It will be replaced by a red frame with a play button in the center. Click in the red frame to load and then play it.Requirements:

Ссылка: https://addons...US/firefox/downloads/file/44015/stop_autoplay-0.7.6-fx.xpi