Why are ad networks so slow with IPv6?

Sean Donelan sean at donelan.com
Mon Jul 11 15:02:51 UTC 2022

Verizon FIOS has been rolling out IPv6 across Northern Virginia. Hurrah!

Stuff with ads (which is almost everything on the modern Internet) now 
load much more slowly or timeout.

Changed IPv4/IPv6 connection preferences to use IPv4 first. Much improved 
user experience.

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