webcomponents
Web Components specificationsimport-maps
How to control the behavior of JavaScript importsvirtual-scroller
focus-visible
Polyfill for `:focus-visible`webusb
Connecting hardware to the web.webpackage
Web packaging formatEventListenerOptions
An extension to the DOM event pattern to allow authors to disable support for preventDefaultportals
A proposal for enabling seamless navigations between sites or pagesfloc
This proposal has been replaced by the Topics API.inert
Polyfill for the inert attribute and property.scheduling-apis
APIs for scheduling and controlling prioritized tasks.view-transitions
file-system-access
Expose the file system on the user’s device, so Web apps can interoperate with the user’s native applications.background-sync
A design and spec for ServiceWorker-based background synchronizationua-client-hints
Wouldn't it be nice if `User-Agent` was a (set of) client hints?scroll-to-text-fragment
Proposal to allow specifying a text snippet in a URL fragmentobservable
Observable API proposalaom
Accessibility Object Modelkv-storage
[On hold] A proposal for an async key/value storage API for the webturtledove
TURTLEDOVEnavigation-api
The new navigation API provides a new interface for navigations and session history, with a focus on single-page application navigations.webmonetization
Proposed Web Monetization standardtrust-token-api
Trust Token APIattribution-reporting-api
Attribution Reporting APIdirect-sockets
Direct Sockets API for the web platformshape-detection-api
Detection of shapes (faces, QR codes) in imagesdisplay-locking
A repository for the Display Locking specdbsc
background-fetch
API proposal for background downloading/uploadingfirst-party-sets
serial
Serial ports API for the platform.resize-observer
This repository is no longer active. ResizeObserver has moved out of WICG intopriority-hints
A browser API to enable developers signal the priorities of the resources they need to download.sanitizer-api
is-input-pending
proposals
A home for well-formed proposed incubations for the web platform. All proposals welcome.spatial-navigation
Directional focus navigation with arrow keysjs-self-profiling
Proposal for a programmable JS profiling API for collecting JS profiles from real end-user environmentscq-usecases
Use cases and requirements for standardizing element queries.isolated-web-apps
Repository for explainers and other documents related to the Isolated Web Apps proposal.visual-viewport
A proposal to add explicit APIs to the Web for querying and setting the visual viewportinterventions
A place for browsers and web developers to collaborate on user agent interventions.frame-timing
Frame Timing APIlayout-instability
A proposal for a Layout Instability specificationpage-lifecycle
Lifecycle API to support system initiated discarding and freezingnav-speculation
Proposal to enable privacy-enhanced preloadingspeech-api
Web Speech APIcookie-store
Asynchronous access to cookies from JavaScriptconstruct-stylesheets
API for constructing CSS stylesheet objectswebhid
Web API for accessing Human Interface Devices (HID)color-api
A proposal and draft spec for a Color object for the Web Platform, loosely influenced by the Color.js work. Heavily WIP, if you landed here randomly, please move along.fenced-frame
Proposal for a strong boundary between a page and its embedded contentdevtools-protocol
DevTools Protocolsms-one-time-codes
A way to format SMS messages for use with browser autofill features such as HTML’s autocomplete=one-time-code.bundle-preloading
Bundles of multiple resources, to improve loading JS and the Web.translation-api
A proposal for translator and language detector APIsprivacy-preserving-ads
Privacy-Preserving Adsmanifest-incubations
Before install prompt API for installing web applicationswindow-controls-overlay
netinfo
compression-dictionary-transport
intrinsicsize-attribute
Proposal to add an intrinsicsize attribute to media elementsanimation-worklet
🚫 Old repository for AnimationWorklet specification ➡️ New repository: https://github.com/w3c/css-houdini-draftscontainer-queries
local-peer-to-peer
↔️ Proposal for local communication between browsers without the aid of a server.shared-storage
Explainer for proposed web platform Shared Storage APIasync-append
A way to create DOM and add it to the document without blocking the main thread.indexed-db-observers
Prototyping and discussion around indexeddb observers.canvas-formatted-text
file-handling
API for web applications to handle filescanvas-color-space
Proposed web platform feature to add color management, wide gamut and high bit-depth support to the <canvas> element.local-font-access
Web API for enumerating fonts on the local systemperformance-measure-memory
performance.measureMemory APIdigital-credentials
Digital Credentials, like driver's licenseshandwriting-recognition
Handwriting Recognition Web API Proposalweb-app-launch
Web App Launch Handlerpwa-url-handler
ContentPerformancePolicy
A set of policies that a site guarantees to adhere to, browsers enforce, and embedders can count on.starter-kit
A simple starter kit for incubationscss-parser-api
This is the repo where the CSS Houdini parser API will be worked onclose-watcher
A web API proposal for watching for close requests (e.g. Esc, Android back button, ...)eyedropper-api
idle-detection
A proposal for an idle detection and notification API for the webstorage-foundation-api-explainer
Explainer showcasing a new web storage API, NativeIOvideo-editing
uuid
UUID V4client-hints-infrastructure
Specification for the Client Hints infrastructure - privacy preserving proactive content negotiationsparrow
private-network-access
element-timing
A proposal for an Element Timing specification.document-picture-in-picture
video-rvfc
video.requestVideoFrameCallback() incubationtime-to-interactive
Repository for hosting TTI specification and discussions around it.digital-goods
soft-navigations
Heuristics to detect Single Page Apps soft navigationsraw-clipboard-access
An explainer for the Raw Clipboard Access featurestorage-buckets
API proposal for managing multiple storage bucketspending-beacon
A better beaconing APIadmin
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