[sjdz]

There's some overhead, but not much. It basically just parses the underlying HTML as soon as it's loaded, then redraws it with added features.

Also no heavy frameworks used, just basic hand-coded JS + jquery + a few helper libraries (luxon for dates etc)

[topaz0]

The post was about efficiency for the user, not for the computer.

[sjdz]

Yeah I missed that, first thought was efficient performance!