以下按工作组/社区组/兴趣组分类列出了一部分常见的 Web 标准。其中部分标准 W3C 已经停止维护，最新标准需要参考 WHATWG HTML 标准，如：
Web Platform Working Group Web 平台工作组
Web Applications Working Group Web 应用工作组
- UI Events
- Input Events
- Clipboard API and events
- Indexed Database API
- Push API
- File API
- Web App Manifest
- Intersection Observer
- Gamepad
- Pointer Lock 2.0
Web Performance Working Group Web 性能工作组
- Preload
- Page Visibility
- High Resolution Time
- Performance Timeline
- Navigation Timing
- Resource Timing
- User Timing
- A Primer for Web Performance Timing APIs
- Cooperative Scheduling of Background Tasks
- Beacon
Immersive Web Working Group 沉浸式 Web 工作组
Web Real-Time Communication Working Group Web 实时通信工作组
WebAssembly Working Group WebAssembly 工作组
Internationalization Working Group 国际化工作组
- International text layout and typography index
- Requirements for Japanese Text Layout
- Requirements for Hangul Text Layout and Typography
- Requirements for Chinese Text Layout 中文排版需求
Devices and Sensors Working Group 设备和传感器工作组
- Generic Sensor API
- Geolocation API
- Geolocation Sensor
- DeviceOrientation Event Specification
- Battery Status API
- Vibration API
- Accelerometer
- Gyroscope
- Orientation Sensor
- Motion Sensors Explainer
- HTML Media Capture
Web Application Security Working Group Web 应用安全工作组
Web Payments Working Group Web 支付工作组
Service Workers Working Group Service Worker 工作组
Timed Text Working Group 时序文本工作组
Web Authentication Working Group
Web Cryptography Working Group
Device APIs Working Group
WebFonts Working Group
Browser Testing and Tools Working Group
Accessible Rich Internet Applications Working Group
Accessibility Guidelines Working Group
SVG Working Group 可缩放矢量图形 (SVG) 工作组
XML Working Group 可扩展标记语言 (XML) 工作组
W3C Math Working Group W3C 数学工作组
MathML Refresh Community Group
Web Audio Working Group Web 音频工作组
CSS Working Group (CSSWG) CSS 工作组
- CSS Object Model (CSSOM)
- CSSOM View Module
- Selectors
- Media Queries
- Resize Observer
- CSS Basic User Interface
- CSS Syntax
- CSS Nesting
- CSS Cascading and Inheritance
- CSS Pseudo-Elements
- CSS Fonts
- CSS Font Loading
- CSS Text
- CSS Values and Units
- CSS Box Model
- CSS Box Sizing
- CSS Display
- CSS Box Alignment
- CSS Backgrounds and Borders
- CSS Transitions
- CSS Animations
- CSS Transforms
- CSS Regions
- CSS Color
- CSS Logical Properties and Values
- CSS Positioned Layout
- CSS Inline Layout
- CSS Flexible Box Layout
- CSS Grid Layout
- CSS Table
- CSS Multi-column Layout
- CSS Device Adaptation
CSS-SVG Effects Task Force (FX TF)
CSS-TAG Houdini Task Force (CSS Houdini)
Web Incubator Community Group (WICG) Web 平台孵化社区组
- DevTools Protocol
- Native File System
- Web Locks API
- Touch Events
- Cookie Store API
- Network Information API
- Web Share API
- WebUSB API
- Page Lifecycle 1
- Picture-in-Picture
- File and Directory Entries API
- Frame Timing
EPUB 3 Community Group
- EPUB 3.2
- EPUB Packages 3.2
- EPUB Content Documents 3.2
- EPUB Open Container Format (OCF) 3.2
- EPUB Media Overlays 3.2