L.S.
If you look what is being pinged from -https://m.youtube.com/playlist
we see connections that go out to this content delivery network
-ggpht.com and -yt3.ggpht.com,
a tool used to spread adware,
this while -googleads.g.doubleclick.net for me has been blocked by privacy badger.
But this one does not seem blocked anywhere:
https://www.dnsblacklist.org/?domain=yt3.ggpht.comSuspected malicious behavior after watching adult content:
read:
https://domain.opendns.com/yt3.ggpht.comWait for a final verdict by avast team,
as they are the only ones to decide on their own definitions,
a bit controversial here considering -yt3.ggpht is a valid google.api.
But some cleansing considers -yt3.ggpht.com to be part of a browser hijacker,
Possible ARG/Bot/Virus. And again where issue was being whitelisted
as a non-malicious false positive:
https://github.com/mayesidevel/PiHoleLists/issues/1polonus (volunteer 3rd party cold recon website security analyst and website-error-hunter)