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CSScontent-visibilityPerformanceRendering

CSS content-visibility Property Guide

Master the CSS content-visibility property for render optimization and improving page performance.

B
Bootspring Team
Engineering
December 17, 2019
6 min read

The content-visibility property controls whether an element renders its contents, enabling significant performance improvements. Here's how to use it.

Basic Usage#

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Long Page Optimization#

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contain-intrinsic-size#

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Hidden vs display:none#

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Lazy Rendering Pattern#

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Dashboard Widgets#

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Combining with Containment#

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Accordion Pattern#

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Table Optimization#

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Animation Considerations#

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JavaScript Integration#

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Performance Measurement#

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Best Practices#

Usage: ✓ Use for off-screen content ✓ Set contain-intrinsic-size ✓ Use 'auto' for most cases ✓ Apply to repeated elements Performance: ✓ Reduces initial render time ✓ Skips off-screen layout ✓ Improves scroll performance ✓ Preserves element state Intrinsic Size: ✓ Estimate accurately ✓ Use 'auto' prefix when possible ✓ Match typical content size ✓ Update if content varies Avoid: ✗ On visible above-fold content ✗ On animated elements ✗ Without intrinsic size ✗ Causing layout shifts

Conclusion#

The content-visibility property significantly improves rendering performance by skipping off-screen content. Use it for long pages, lists, and hidden UI elements. Always set contain-intrinsic-size to prevent layout shifts. The 'auto' value lets the browser optimize automatically based on visibility.

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