So noticing I clicked a page and got redirected to a different URL from the Google search result, where the search term is what I'm currently trying to jump in to the ranking, I'm wondering that is there any correlation between Google is not updating URLs on a search query and how competitive it is in terms of keyword difficulty.
I'm guessing that Google has tendency to ignore an indexed site's URL (or description, or even the title) updates, it means the search query does not worth updating so frequently for Google or for users. So, I could have an assumption that the search query is easy to rank (or not easy to rank) from a SERP result with a many of (or barely none of) inactive ranked top pages.
So is my guess correct? Is there any research or findings regarding of this?