Thankfully Firefox has a mute button on every tab but I also frantically scrolled down the page looking for a video to stop, but it was futile - there is no vid

Thankfully Firefox has a mute button on every tab but I also frantically scrolled down the page looking for a video to stop, but it was futile - there is no video!? It's just a podcast, describing phones with keyboards? CNET really has fallen.