Mobile site does not sync with dekstop changes

Hello, Since a few days the changes I made on my site (new articles) does not sync with the mobile version. I do see the new articles (at homepage > onze nieuwste blogs) shown on my laptop, but when I visit the homepage by phone I still see the old content. Before this did not accure. What can I do?

The page I need help with: [log in to see the link]