facebook sharing?

Question

JavaScript

Good afternoon! Please tell me if facebook indexes sites?
The situation is as follows... I am sharing on the site and when sharing, the previous site is displayed, despite the fact that there is nothing to do with it, I don’t know what the problem could be!
Maybe someone came across this, how to fix it?
I will be grateful for help)

Answer 1

Yes, social networks cache information from the page they "rummage around".
Vkontakte has a page where you can reset the cache for a specific link.
UPD: https://developers.facebook.com/tools/debug/og/object/ for cache reset

Answer 2

And in api, by chance, when creating a key, the site is not attached?