I've been thinking a lot about the moments
we missed and the ones ahead.
So I made
WhatifBitcoin.org - it's a quick way to see how past Bitcoin
investments might look today.
Would love to hear your thoughts

Is there something I can add to make it more informative for newcomers?

It looks useful, but maybe I would add additional currencies other than US dollar, maybe Euro and some others could be good to have, or just with currency calculator/converter.
I know DCA means Dollae-Cost Averaging but that part doesn't have to be changed.
You could also add other Bitcoin price predictions, for example Hal Finney said this: