First Paint Timing API

API to enable developers to measure time for First Paint & First Contentful Paint -- the first key moments in loading that they care about.

Specification

Editor's draft

Status in Chromium

Blink components: Blink>PerformanceAPIs

Enabled by default (launch bug) in:

• Chrome for desktop release 60
• Chrome for Android release 60
• Android WebView release 60
• Opera release 47
• Opera for Android release 47

Consensus & Standardization

• Firefox: No public signals
• Edge: Public support
• Safari: Public support
• Web Developers: Positive

Owner

• panicker@chromium.org

Last updated on 2017-07-24