Why are ad networks so slow with IPv6?

Mon Jul 11 15:10:28 UTC 2022

Is your experience the same if you run a browser-based ad blocker or
something external like Pi-hole?  I have Fios, but Verizon hasn't rolled v6
out here that I can see.  My v6 traffic runs over a tunnel to Hurricane
Electric, and I haven't noticed any unusually slow load times for the ads
that make it through Pi-hole/uBlock/etc.

Thank you
jms

On Mon, Jul 11, 2022 at 11:03 AM Sean Donelan <sean at donelan.com> wrote:

>
> 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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