These are notes from a live presentation at the WebKit Contributors Meeting. All the items were explained live, there is only so much the notes can convey.

Search "WebKit dfg" = https://webkit.org/blog/3362/introducing-the-webkit-ftl-jit/

It's a layer of their JS pipeline.

> Some of items cannot even be googled, what's "Turbo DFG"?

Data Flow Graph, JavaScriptCore's optimizing JIT.

https://webkit.org/blog/3362/introducing-the-webkit-ftl-jit/

One of JavaScriptCore's optimizing JITs.