I've had a couple issues today too. One post kept jumping all around up and down and up and down.
Then when I clicked on this post and was reading it, it reloaded all on its own.
The only issue I ever have that has always been is when writing a post or commenting and trying to provide a link and I use the shortcut provided on this website so that it is clickable, when I click on that it crashes back to my home screen, and I've tried it on their browsers, same thing. Works fine on my MacBook though.
All on my iPhone 5S regardless of my internet connection.