What is FCP?
First Contentful Paint (FCP) measures the time between when a user starts loading a page and when the first visible content appears on the screen. This content can include text, images (including background images), or other visual elements. FCP indicates how quickly users perceive the page to begin loading. The shorter this time, the better the initial user experience. However, it is important to note that FCP does not assess the interactivity of the page, only the appearance of visual content.
What is a good FCP ?
Good value for FCP is 1.8sec and a poor time is over 3.0sec: