I have a test page set up here
It's just a simple form to add posts and the posts are shown below where you can vote.
I'm just using the Trail version at the moment to test.
If I look at this page on different machines it shows different likes.
On one machine I liked the First and Fourth posts.
I checked on another machine and these likes didn't appear.
I liked the Second and Third posts on the second machine but these don't show on the first machine.
I'm I missing something here?