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I've been searching on this for a while. I've read up on the Moz and Google documentation for the presentation API, however, I am unable to cast the website when prompted because it says the TV is "available for specific video sites."

I've searched some more and found that you must pay $5 (which I would be willing to do if I knew it would work) to register a receiver. After searching Stack Overflow for google cast, it seems that nearly everything has been disabled. I've tried putting in an empty video element but it still does not work.

I also see that a receiver is a different html page, but also that it would be uploaded as an Android app (?). I know that the presentation API is a generic presentation API, while Google Cast is specifically for Chromecast it seems. I can't seem to get anything working on any device or method to cast to the TV. I can cast YouTube but that's it. I'm wondering how I would go about getting my clock website castable to a TV. Thanks in advance.

Casting a tab help article doesn't seem to work for me either.

Here are relevant screenshots:

cast tab screenshot

cast desktop screenshot

Mozilla Docs Presentation API

Chrome Sample Presentation API

Google Web Docs Presentation API

Google Cast Docs

Justin
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It seems like you are trying to cast to a Samsung TV. Samsung TVs however don't really support support the real deal Chromecast protocol where you can mirror screens. I think what Chrome does here is when you are watching on supported site like Youtube or Twitch - it will remotely launch the right "App" on your Samsung TV and send over the link. It is however not possible to mirror ANY website.

T.Furholzer
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  • Your answer could be improved with additional supporting information. Please [edit] to add further details, such as citations or documentation, so that others can confirm that your answer is correct. You can find more information on how to write good answers [in the help center](/help/how-to-answer). – Community Oct 05 '21 at 06:27
  • Thank you for the answer. I believe the Samsung TV does have Chromecast plugged in, but I guess you're saying it's using the Samsung thing instead. I'm wondering if with Chromecast if I'd be able to mirror the website. I see you say it's "not possible to mirror any website" so does this mean it's impossible? – Justin Oct 05 '21 at 06:43