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712: Lazy Loading the Web with Scott Jehl

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01:04:51
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ABOUT THIS EPISODE

Show Description

Chris Coyier and Scott Jehl discuss the recent advancements in lazy loading on the web, the process of standardization, browser support, and the future of web performance optimization.

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Guests Scott Jehl

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Tech lead of the Performance & Accessibility Team at Squarespace.

Links Sponsors SanityThe back-end built for AI content operations. Power web, mobile, and agentic applications at scale. Start building with an extended 60-day trial.
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IN THIS EPISODE

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SHOW NOTES 🔗

00:00:42Introducing Scott Jehl
00:02:07Should most images have lazy loading of some sort?
00:06:10iFrames also have lazy loading support
00:08:31Can you decide how much video to preload?
00:11:18What about GIFs?
00:12:19You can defer autoplay
00:18:01Sponsor: Sanity
00:19:50How did lazy loading happen?
00:26:44Why would it get removed?
00:29:06The struggle of creating streaming appropriate video
00:30:12What was the story of getting lazy loading working?
00:44:30Writing for a spec
00:48:34Setting flags from the command line
00:50:54The poster attribute on video

TRANSCRIPT 🔗

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