Help With Developer Menu In Web Browsers

Question

I mostly use safari for web browsing, and testing for web development, but I have noticed that on a few pages "Paint" is constantly being fired under the rendering timeline in the timeline pane under the debug menu. I was wondering if anyone could explain what that possibly could be or mean. I have tried searching the internet, but can not find any information on it. It looks like this:

Answer 1

It is due, to some plugins I am using. specifically jScrollPane, could be so high, due to other plugins.