The Cost Of JavaScript in 2019 (ConcatenateConf)

The Cost Of JavaScript in 2019 (ConcatenateConf)

As the world build sites that are more heavily reliant on JavaScript, we sometimes pay for what we send down in ways that we can’t always easily see. Addy Osmani explains how and why JavaScript is the most expensive resource your site uses today—especially on mobile. Addy also shares tips for fixing JavaScript performance issues so everything loads quicker. A little discipline can help if you want your site to load and be interactive as soon as possible on mobile.

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Addy Osmani

October 11, 2019