site not updating

hey :) im super new to this
my goal is to make a website where i have rss feeds of all my socials and games etc
i finally made a rss widget BUT it only shows up in the preview window but my page wont update no matter what i do

https://nicotinfrei.neocities.org/

any idea whats wrong? thanks!

https://preview.redd.it/5q75r98ovfff1.png?width=358&format=png&auto=webp&s=0f9f6cfd5d7045a05636208433399a965ffa98d2