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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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Latest stories
See our latest news, updates, and stories for developers.
Explore topics
Learn more about a topic, and practice your skills with a hands-on codelab.
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Web Vitals
Overview of Web Vitals.
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- 16 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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- 57 resources
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Fast load times
Techniques for improving site performance.
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- 13 resources
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Network reliability
See consistent, reliable performance regardless of network quality.
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- 17 resources
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Safe and secure
Ensure your site and your users' data is secure.
Save your progress
See how your website performs over time, and keep track as you learn on your own schedule.