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Get the web's modern capabilities on your own sites and apps with useful guidance and analysis from web.dev.

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As the web advances, users' expectations grow. With web.dev's guidance, you can give your users the best experience, wherever they are.

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See our latest news, updates, and stories for developers.

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Smarter custom properties with Houdini’s new API

Transitions and data protection in CSS

Prefetch resources to speed up future navigations

Learn about rel=prefetch resource hint and how to use it.

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Going beyond images with basic video for the web

Learn basic video. Increase engagement.

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Explore topics

Learn more about a topic, and practice your skills with a hands-on codelab.

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Fast load times

Guarantee your site loads quickly to avoid user drop off.

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  • 8 resources
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Accessible to all

Build a site that works for all of your users.

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  • 7 resources
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Network reliability

See consistent, reliable performance regardless of network quality.

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  • 5 resources
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Safe and secure

Ensure your site and your users' data is secure.

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  • 2 resources
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Easily discoverable

Ensure users can find your site easily through search.

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Installable

Be on users' home screens with no need for an app store.

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Save your progress

See how your website performs over time, and keep track as you learn on your own schedule.