This short post by Defold people about "empty project build size" comparison between Defold, Unity and Godot (twitter, mastodon) sparked my interest.
It is curious that Godot builds seem to be larger than Unity? Would not have expected that! Anyway.
A way more extensive Unity "web" build comparison and analysics is over at https://github.com/JohannesDeml/UnityWebGL-LoadingTest but here are just my short notes in trying out Unity 6 (6.0.23 - Oct 2024).