Here are some things that are still better via website:

* Browsing

* Visual layout of complex information

* Interactive experiences

* Recent information

* Interactions with deterministic rules like non-trivial games or preserving state

* Data persistence

But LLMs are proving better than websites for:

* Extracting information and meaning from content

* Combining information from disparate sources

* Complex queries

* Generating content

But LLMs are catching up fast