OneNote Online breaks page links when moving pages
If you're using OneNote Online and have created links in your notebook to other pages in your notebook you will have a problem if you decide to move those pages. OneNote Online will not dynamically update links to OneNote pages if you move them around in your notebook. This is different than the desktop application where OneNote will update your links accordingly. Just remember if you're using direct links to pages moving those pages will break the links.