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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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Explore topics
Learn more about a topic, and practice your skills with a hands-on codelab.
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- 16 resources
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Web Vitals
Essential metrics for a healthy site.
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- 31 resources
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Progressive Web Apps
Websites that took all the right vitamins.
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- 13 resources
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Accessible to all
Build a site that works for all of your users.
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- 60 resources
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Fast load times
Techniques for improving site performance.
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- 23 resources
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Network reliability
See consistent, reliable performance regardless of network quality.
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- 24 resources
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Safe and secure
Ensure your site and your users' data is secure.