I mean, the point of STEPS is in fact to do things in orders of magnitude less code than languages like C++. 310k is almost encouraging. :D
I've been thinking about SmallTalk web browser 4 years ago, more in-depth here: https://www.reddit.com/r/smalltalk/comments/jnigzb/native_we...
Since then, a lot have changed. One dedicated SmallTalker with LLM-infused Squeak might do wonders.