AI & the web
Largest Contentful Paint
A loading metric measuring when the largest relevant visible content element is rendered.
In everyday use
A large hero image is the main element measured.
What to keep in mind
Its candidate can change while the page loads; inspect real measurements.
Also searched as: LCP
Further reading
Original explanation and example by Perspectism. Further reading may cover the wider subject, rather than this exact wording. Edition updated 7 October 2026.
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