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content-visibility: the new CSS property that boosts your rendering performance

Una Kravets and Vladimir Levin:

[…] you can use another CSS property called content-visibility to apply the needed containment automatically. content-visibility ensures that you get the largest performance gains the browser can provide with minimal effort from you as a developer.

The content-visibility property accepts several values, but auto is the one that provides immediate performance improvements.

The perf benefits seems pretty big:

In our example, we see a boost from a 232ms rendering time to a 30ms rendering

Read article “content-visibility: the new CSS property that boosts your rendering performance”