# Why are not my down votes counted?

I'm trying to do down votes when I see that a post is not useful. The website tells me in a blue box that I could comment, what would I want to improve. Nevertheless, when I go to my profile and come back, my comment and down vote disappeared.

Why is this happening? I think it's somehow like a lag.

Note: I do have enough reputation $\longrightarrow$ Reputation $\gt$ 125

• Did you try to refresh the page? And BTW how can you be sure that your downvote disappeared - privilege to see number of downvotes and upvotes separately comes at 1k? – Martin Sleziak Feb 16 '16 at 21:32

You're right: it's somehow like a lag. The technical term is caching. The process goes like this:

1. You get a question page from the server

2. You vote or comment on the page. This has two effects: