Improving page dismissal in synchronous XMLHttpRequest()
Reducing delayed navigations
Blog
Our latest news, updates, and stories for developers
Threading the web with module workers
Moving heavy lifting into background threads is now easier with JavaScript modules in web workers.
Speed tooling evolutions: highlights from Chrome Developer Summit 2019
New performance metrics, updates to PageSpeed Insights and Chrome User Experience Report (CrUX), and more.
Lighthouse evolution: continuous integration, new performance score formula, and more
Get the latest Lighthouse updates and insights from Chrome Developer Summit 2019.
Adaptive loading: improving web performance on slow devices
Learn how to ensure every user gets the best possible experience by optimizing your sites for specific hardware and network constraints.
Accessibility tips for web developers
Improving accessibility makes your site more useable for everyone.
Use web workers to run JavaScript off the browser's main thread
An off-main-thread architecture can significantly improve your app's reliability and user experience.
Next-generation web styling
Get up to date on some of the exciting features in modern CSS.
Feedback from the summer 2019 image optimization survey
Comments from survey respondents about various image optimization techniques
Integrate with the OS sharing UI with the Web Share API
Web apps can use the same system-provided share capabilities as platform-specific apps.
OYO Lite: a TWA with the best of web and Android apps
How a hospitality startup built an Android app that relies on web content to dramatically increase user engagement and keep file size low
Five ways AirSHIFT improved their React app's runtime performance
A real-world case study of React SPA performance optimization.
Virtual reality comes to the web
A few basics to prepare you for a spectrum of immersive experiences: virtual reality, augmented reality, and everything in between.
Understanding cookies
A cookie is a chunk of data stored in the browser that is used to persist state and other information a website needs to execute its features.
SameSite cookie recipes
Update your site's cookies to prepare for the upcoming changes to the SameSite attribute's behavior.
Fast ads matter
Learn how improving ad speed can increase revenue and makes users happy, and how to approach ad speed improvements.
Preloading responsive images
Starting in Chrome 73, link rel="preload" and responsive images can be combined in order to load images faster.
Fixing layout instability
A walkthrough of using WebPageTest to identify and fix layout instability issues.
Optimize images with Thumbor
Thumbor can be used for free to resize, compress, and transform images on-demand.
Techniques to make a web app load fast, even on a feature phone
How we used code splitting, code inlining, and server-side rendering in PROXX.
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.
Going beyond images with basic video for the web
Learn basic video. Increase engagement.
Ready Player Web
Building games for the modern web.
