Can I know which YouTube I watched on my phone from the most on my phone?

pu1. No, the news agency doesn't know

2017-12-27

OK

pu2. YouTube has nothing to do with telecommunication companies because it uses Wi-Fi. Even if you saw it in 3g or lte, the carrier can't know because it's not monitoring the communication packets of a specific user

2017-12-27

OK

pu3. It's not about YouTube, but there was a story in the past that the carrier analyzed the network packets used by individuals and used them for other purposes.
However, YouTube uses the https protocol, but https is encrypted, so even if you intercept packets in the middle, you cannot know the contents. So the telecommunications company doesn't know what information an individual is looking at.
In other words, a site whose address starts with https is secure. Come to think of it, the tipu here also uses https

2017-12-27

OK