How to track if a user came from a search using Javascript?

Question

JavaScript

Hello. There is a code that, using utm tags, determines which ad (roughly, from which site) the user came from. And then, depending on the source, this script did different actions with the site.
There is also a need to track users who came from search engines. Do not put a UTM tag here :( Are there any ways to find out which search engine the user came from?

Answer 1

document.referrer ?