Inlined scripts do get cached, but cache is keyed to document's URL. Go https://v8.dev/blog/code-caching-for-devs https://v8.dev/blog/code-caching-for-devs and

Inlined scripts do get cached, but cache is keyed to document's URL. Go https://v8.dev/blog/code-caching-for-devs https://v8.dev/blog/code-caching-for-devs and search for "inline".