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The Cost Of JavaScript - 2023

Addy Osmani 34 min Published Jun 2023

This video is about 3 years old. Search advice changes quickly, so check this against current guidance.

What it covers

Discusses why JavaScript is the costliest resource on a site, particularly for mobile and low-end devices.

Watch for: Developer talk without an SEO focus

Why it is here

Why JavaScript is the most expensive resource on a site, especially on mobile and lower-end devices. A developer talk with no SEO framing.

Selected by an AI assistant, from the title and description only.

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