Largest contentful paint (LCP)
Limited availability
The largest-contentful-paint performance entry and the LargestContentfulPaint API measures the time it takes for the largest image or text to appear. Largest contentful paint (LCP) is a common metric for perceived loading times.
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Specifications
- Largest Contentful Paint, from Web Performance Working Group (W3C).
Browser support
- Chrome 77 Released on 2019-09-10
- Chrome Android 77 Released on 2019-09-10
- Edge 79 Released on 2020-01-15
- Firefox 122 Released on 2024-01-23
- Firefox for Android 122 Released on 2024-01-23
- Safari ❌ Vendor position
- Safari on iOS ❌ Vendor position
Baseline availability blocked since January 2024 by Safari (18 months)
Interop
- Included in Interop 2025
Web Platform Tests (WPT)
View the latest WPT test results for this featureView as JSON | Edit this feature | Report an issue | Web-features entry: source, dist