Positioning virtual objects in real-world views
The WebXR Hit Test API is an enhancement to the web's augmented reality that lets you place virtual objects in a real-world view.
ARIA labels and relationships
Using ARIA labels to create accessible element descriptions
ARIA: poison or antidote?
How lying to screen readers cures accessibility, when it doesn't rub salt in it!
The CSS aspect-ratio property
Maintaining aspect ratio within images and elements is now easier to achieve with the new aspect-ratio CSS property.
Assess spam damage
Find out what to do if your site has been hacked to host spam.
Simple asset management for HTML5 games
Asymmetric animation timing
Breaking symmetry provides contrast and appeal to your projects. Learn when and how to apply this to your projects.
Unblocking clipboard access
Async Clipboard API simplifies permissions-friendly copy and paste.
Asynch JS - The power of $.Deferred
Async functions: making promises friendly
Async functions allow you to write promise-based code as if it were synchronous.
Using asynchronous web APIs from WebAssembly
Learn how to invoke asynchronous web APIs when compiling traditionally synchronous languages to WebAssembly.
@property: giving superpowers to CSS variables
Learn how to implement CSS custom properties with semantic typing, a fallback value, and more, directly in your CSS file.
Synchronize audio and video playback on the web
The Web Audio API makes it possible to properly achieve AV synchronization.
Quick guide to implementing the HTML5 audio tag
A tale of two clocks
Measure browser autofill on your forms
To optimize user experience, it's essential to understand how users interact with your forms. Browser autofill plays a significant role in this process. Learn how to collect and analyze data on how users use autofill in your forms.
Automating audits with AutoWebPerf
A new modular tool that enables automatic gathering of performance data from multiple sources.
Deploying AVIF for more responsive websites
An overview of how AVIF is adopted in the ecosystem, and what kind of performance and quality benefits developers can expect from AVIF for still images and animations.
Avoid large, complex layouts and layout thrashing
Layout is where the browser figures out the geometric information for elements - their size and location in the page. Each element will have explicit or implicit sizing information based on the CSS that was used, the contents of the element, or a parent element. The process is called Layout in Chrome.
Create OS-style backgrounds with backdrop-filter
Learn how to add background effects like blurring and transparency to UI elements on the web using the CSS backdrop-filter property.
Download AI models with the Background Fetch API
The nuances of base64 encoding strings in JavaScript
Understand and avoid common problems when applying base64 encoding and decoding to strings.
How to think about Baseline and polyfills | Articles
Knowing when to reach for a polyfill can be a hard decision, but using Baseline features can help you answer this question. Learn more in this guide!
Baseline features you can use today
Learn about just some of the features that are part of Baseline.