This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Jeff Kaufman
jefftk.com
did:plc:k35xx6alir7rsmwfzh74abnp
My 10yo and I were regularly spending 20 painful minutes practicing 2m of material: if she focused, no fussing, it could have been really fast. I explained this, she gave it a try, it worked! But then (and this is important) I let her stay at 2m for a long time before ramping back up.
https://www.jefftk.com/p/let-kids-keep-more-productivity-gains
2026-04-29T13:56:38.375Z