Is the First Contentful Paint a Good Idea?

Safari, web kit and crome use different strategies deciding how long to hold on to the accontder image of the previous page before rendering the content. Webki decided not to implement the first paint metrick because them first paint and first contempate paint are always the same. It's almost like watching one of those old progressive japegs load from the nineties, where they load a bunch of tex blocks and then they load some content,. And so i think it's something tha were open to to get more use experience research on and sponsor. But it cedly like te we don't necessarily know.