RFP covers a lot more metrics than just the canvas, I don't think it would fallback to FPP. You can test it on Arkenfox's TZP test site to make sure though.
Would installing Firefox on winget solve OPs problem, assuming they are on Windows?
RFP covers a lot more metrics than just the canvas, I don't think it would fallback to FPP. You can test it on Arkenfox's TZP test site to make sure though.