WebRTC is generally for video conferencing as that requires real time communication. Live streams or videos on the web are most commonly hls or dash protocols.

WebRTC is generally for video conferencing as that requires real time communication. Live streams or videos on the web are most commonly hls or dash protocols. Just mp4 file play while download also works. Hls/dash are not built for lower latencies. They are built for easy CDN distribution and flexible switching between different resolutions and bitrates. Live streams generally are at least a few seconds behind.