double front page & twitter feed

In terms of the tweet thing… I found this article that might help: https://smashballoon.com/how-to-limit-number-tweets-twitter-widget/#:~:text=To%20manually%20limit%20tweets%20in,%3D%20“3”%20for%20example.&text=Now%20paste%20the%20embed%20code,There%20you%20have%20it!

But, about the double homepage, I noticed that you use Elementor and I have never used that. So, maybe Elementor is doing weird things… But, if I notice behaviour like this, I usually do a sanity check to make sure that I didn’t place duplicate things anywhere. Like two times the content of my homepage or in my theme settings that certain sections should appear while I already placed them in the page content.