Providing guidance for modern web development. web.dev’s mission is to help developers build best-in-class web experiences on any browser.

Let’s build the future of the web, together

Take advantage of the latest modern technologies to build amazing web experiences for everyone.

Measure performance with PageSpeed Insights

PageSpeed Insights is a tool for measuring the performance and Core Web Vitals of a page with lab and field data.

Featured courses

Explore their structured learning paths to discover everything you need to know about building for the modern web.

Case studies

Learn why and how other developers have used the web to create amazing web experiences for their users.

Patterns

A collection of code snippets to help you optimize your web projects.

Podcasts and Shows

Level up your web development skills by listening to podcasts from Google Developers.