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Wow, <iframe src="foo.html" loading="lazy"> is officially a thing now, just like with images: github.com/whatwg/html/pull/5579. If you offer iframe embeds, please consider adding this to your embed code. x.com/zcorpan/status/1280977925685358592Permalink On twitter.com
♻️ 19 Retweets ❤️ 48 Favorites Mood +6 🙂
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You can feature-detect support for this like so: if ('loading' in HTMLIFrameElement.prototype) { // 🎉 Supported }On twitter.com