大家可以试看这个有没有效。
How to stop autoplaying ads, videos and media in ChromeDisabling autoplay videos and media in Chrome is simple. First of all you need to type "chrome://chrome/settings/content" into the URL bar. Then all you need to do is scroll down to the plug-in section, and select 'Let me choose when to run plugin content'. How to stop autoplaying ads, videos and media in FirefoxDisabling ads/videos in Firefox is a little different from the process in Chrome. The first suggested way to stop Flash content from playing is to enter Firefox's configuration settings by typing "about:config" into the URL bar, accepting the warning, then entering "plugins.click_to_play" into the search box and toggling the settings. However, we experienced limited success with this method. If this technique doesn't work for you, we suggest downloading the add-on Flash Block. To install this all you need to do is Google search "Flash Block Firefox" and install/enable the add-on, and then restart Firefox. Make sure you download from a reputable source. All Flash content will now be click to play, until you disable or remove the add-on. How to stop autoplaying ads, videos and media in Internet ExplorerStopping videos, Flash media and autoplaying adverts in Internet Explorer is the easiest the three. Simply go to Tools, Safety and then click on the ActiveX Filtering option. This will then put a tick next to the option, indicating that filtering is enabled.
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