[piotrjurkiewicz]

> IPv6 is faster for two reasons. The first is that many major operating systems and browsers like iOS, MacOS, Chrome and Firefox impose anywhere from a 25ms to 300ms artificial delay on connections made over IPv4.

He forgot to add that this only applies to dual-stack hosts...

[phicoh]

And, unless something is serious broken in all of those systems, only if the target is also dual stack.

So an IPv4-only website should not incur any delay.