"interest-source" | Can I use... Support tables for HTML5, CSS3, etc

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March 5, 2026 - New feature: Lazy loading via attribute for video & audio

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interestevent api: source
css selector: interest-source

Can I use...

Browser support tables for modern web technologies

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Green ✅ = Supported
Red ❌ = Not supported
Greenish yellow ◐ = Partial support
Gray ﹖ = Support unknown