Confused between lighthouse and WPT

[Cymru]

Well this is very confusing. I think we fixed the telephone number bit but I still get different scores at different times. I don't know at this point whether to just give up and say I am happy or keep on chasing.

https://webpagetest.org/result/200723_AX...1c6a90e41/
https://webpagetest.org/result/200723_FW...f81ca3a52/

I guess it could just be a timing issue on the rendering. That's the only thing that makes sense.