API to enable developers to measure time for First Paint (FP) & First Contentful Paint (FCP) -- the first key moments in loading that they care about. These moments are added as 'paint' entries in the Performance Timing API.

Documentation

• https://developer.mozilla.org/en-US/docs/Web/API/PerformancePaintTiming
• https://developers.google.com/web/updates/2017/07/nic60#paint

Specification

Specification link

Status: Specification being incubated in a Community Group

Status in Chromium

Blink components: Blink>PerformanceAPIs

Implementation status: Enabled by default (tracking bug)

Consensus & Standardization

• Firefox: No signal
• Edge: Positive
• Safari: Positive
• Web Developers: Positive

Owner

• panicker@chromium.org

Comments

`performance.getEntriesByType('paint').forEach(entry => console.log(entry.name, entry.startTime))`

Last updated on 2020-11-09