W3C standards and drafts
W3C publishes a range of technical reports (Standards and supporting Notes) which help move the web forward.
Showing 127
reports across 80 families, filtered by title or shortname containing the string 'level'.
WebXR
WebXR Layers API Level 1
Draft Standard - history
- Tags
- Graphics
- Deliverers
- Immersive Web Working Group
WebXR Gamepads Module - Level 1
Draft Standard - history
- Tags
- Graphics
- Web API
- Deliverers
- Immersive Web Working Group
WebXR Augmented Reality Module - Level 1
Candidate Standard - history
- Tags
- Graphics
- Web API
- Deliverers
- Immersive Web Working Group
WebXR Lighting Estimation API Level 1
Draft Standard - history
- Tags
- Graphics
- Web API
- Deliverers
- Immersive Web Working Group
Compute Pressure API
Compute Pressure Level 1
Draft Standard - history
- Tags
- Web API
- Deliverers
- Devices and Sensors Working Group
CSS Grid Layout
CSS Grid Layout Module Level 1
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Grid Layout Module Level 2
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Grid Layout Module Level 3
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Forms
CSS Form Control Styling Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSP
Content Security Policy Level 3
Draft Standard - history
- Tags
- Security
- Deliverers
- Web Application Security Working Group
Content Security Policy Level 2
Standard - history
- Tags
- Security
- Deliverers
- Web Application Security Working Group
CSS Color
CSS Color Module Level 5
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Color Module Level 4
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Color Module Level 3
Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Box Alignment
CSS Box Alignment Module Level 3
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Positioned Layout
CSS Positioned Layout Module Level 3
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
Performance instrumentation
Navigation Timing Level 2
Draft Standard - history
- Tags
- Performance
- Web API
- Deliverers
- Web Performance Working Group
High Resolution Time Level 2
Standard - history
- Tags
- Performance
- Web API
- Deliverers
- Web Performance Working Group
User Timing Level 2
Standard - history
- Tags
- Performance
- Web API
- Deliverers
- Web Performance Working Group
Web Authentication
- history
- Tags
- Security
- Deliverers
- Web Authentication Working Group
- history
- Tags
- Security
- Deliverers
- Web Authentication Working Group
- history
- Tags
- Security
- Deliverers
- Web Authentication Working Group
CSS Display
CSS Display Module Level 4
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Display Module Level 3
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Multi-column Layout
CSS Multi-column Layout Module Level 2
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Multi-column Layout Module Level 1
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Inline Layout
CSS Inline Layout Module Level 3
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Color HDR
CSS Color HDR Module Level 1
Draft Standard - history
- Tags
- CSS
- Graphics
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Overflow
CSS Overflow Module Level 5
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Overflow Module Level 3
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Overflow Module Level 4
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS View Transitions
CSS View Transitions Module Level 2
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS View Transitions Module Level 1
Candidate Standard - history
- Tags
- Browser
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Values and Units
CSS Values and Units Module Level 5
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Values and Units Module Level 3
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Values and Units Module Level 4
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Conditional Rules
CSS Conditional Rules Module Level 5
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Conditional Rules Module Level 3
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Conditional Rules Module Level 4
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
Motion Path
Motion Path Module Level 1
Draft Standard - history
- Tags
- CSS
- Graphics
- Deliverers
- Cascading Style Sheets (CSS) Working Group
Input Events
CSS Text
CSS Text Module Level 3
Candidate Standard - history
- Tags
- CSS
- i18n
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Text Module Level 4
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Cascading and Inheritance
CSS Cascading and Inheritance Level 6
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Cascading and Inheritance Level 4
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Cascading and Inheritance Level 5
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
- history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Easing Functions
CSS Easing Functions Level 2
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Easing Functions Level 1
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
Credential Management
Credential Management Level 1
Draft Standard - history
- Tags
- Security
- Deliverers
- Web Application Security Working Group
CSS Box Model
CSS Box Model Module Level 4
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Box Model Module Level 3
Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
- Translation for CSS Box Model Module Level 3
- العربية
CSS Scroll Snap
CSS Scroll Snap Module Level 2
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Scroll Snap Module Level 1
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Containment
CSS Containment Module Level 1
Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Containment Module Level 2
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Containment Module Level 3
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
Media Queries
Media Queries Level 3
Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
Media Queries Level 4
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
Media Queries Level 5
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
Distributed Tracing
Trace Context Level 2
Candidate Standard - history
- Tags
- Performance
- Deliverers
- Distributed Tracing Working Group
CSS Properties and Values API
CSS Properties and Values API Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSSOM
CSS Typed OM Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
Compositing and Blending
Compositing and Blending Level 1
Candidate Standard - history
- Tags
- CSS
- Graphics
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Backgrounds and Borders
CSS Backgrounds and Borders Module Level 3
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Fonts
CSS Fonts Module Level 5
Draft Standard - history
- Tags
- CSS
- Web Fonts
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Fonts Module Level 4
Draft Standard - history
- Tags
- CSS
- Web Fonts
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Fonts Module Level 3
Standard - history
- Tags
- CSS
- i18n
- Web Fonts
- Deliverers
- Cascading Style Sheets (CSS) Working Group
- Translation for CSS Fonts Module Level 3
- 日本語
CSS Viewport
CSS Viewport Module Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Images
CSS Images Module Level 3
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Images Module Level 4
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Paged Media
CSS Paged Media Module Level 3
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Transitions
CSS Transitions Level 2
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
Web Animations
CSS Animations Level 2
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Animations Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
Web Animations Level 2
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Font Loading
CSS Font Loading Module Level 3
Draft Standard - history
- Tags
- CSS
- Web Fonts
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Speech
CSS Speech Module Level 1
Candidate Standard - history
- Tags
- CSS
- Media
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Ruby
CSS Ruby Annotation Layout Module Level 1
Draft Standard - history
- Tags
- CSS
- i18n
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Pseudo-Elements
CSS Pseudo-Elements Module Level 4
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Shapes
CSS Shapes Module Level 1
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
Selectors
Selectors Level 4
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Custom Properties for Cascading Variables
CSS Custom Properties for Cascading Variables Module Level 1
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Color Adjustment
CSS Color Adjustment Module Level 1
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Text Decoration
CSS Text Decoration Module Level 3
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Text Decoration Module Level 4
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Will Change
CSS Will Change Module Level 1
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Syntax
CSS Syntax Module Level 3
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Box Sizing
CSS Box Sizing Module Level 3
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Box Sizing Module Level 4
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Painting API
CSS Painting API Level 1
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Custom Highlight API
CSS Custom Highlight API Module Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Scrollbars
CSS Scrollbars Styling Module Level 1
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Transforms
CSS Transforms Module Level 2
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Transforms Module Level 1
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Masking
CSS Masking Module Level 1
Candidate Standard - history
- Tags
- CSS
- Graphics
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Counter Styles
CSS Counter Styles Level 3
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Basic User Interface
CSS Basic User Interface Module Level 4
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
- history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
- Translation for CSS Basic User Interface Module Level 3 (CSS3 UI)
- 日本語
CSS Lists and Counters
CSS Lists and Counters Module Level 3
Draft Standard - history
- Tags
- CSS
- i18n
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Scroll Anchoring
CSS Scroll Anchoring Module Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Writing Modes
CSS Writing Modes Level 3
Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
- Translation for CSS Writing Modes Level 3
- 日本語
CSS Writing Modes Level 4
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Spatial Navigation
CSS Spatial Navigation Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Generated Content
CSS Generated Content Module Level 3
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Table
CSS Table Module Level 3
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Overscroll Behavior
CSS Overscroll Behavior Module Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Fragmentation
CSS Fragmentation Module Level 4
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Fragmentation Module Level 3
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
Filter Effects
Filter Effects Module Level 1
Draft Standard - history
- Tags
- CSS
- Graphics
- Deliverers
- Cascading Style Sheets (CSS) Working Group
Geometry Interfaces
Geometry Interfaces Module Level 1
Candidate Standard - history
- Tags
- CSS
- Graphics
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Flexible Box Layout
CSS Flexible Box Layout Module Level 1
Candidate Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Logical Properties and Values
CSS Logical Properties and Values Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Layout API
CSS Layout API Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Fill and Stroke
CSS Round Display
CSS Round Display Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS
- history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
- history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
- Translation for Cascading Style Sheets Level 2 Revision 1 (CSS 2.1) Specification
- 日本語
CSS Exclusions
CSS Exclusions Module Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Regions
CSS Regions Module Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Line Grid
CSS Line Grid Module Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Scoping
CSS Scoping Module Level 1
Draft Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
CSS Namespaces
CSS Namespaces Module Level 3
Standard - history
- Tags
- CSS
- Deliverers
- Cascading Style Sheets (CSS) Working Group
DOM
- history
- Tags
- DOM
- Deliverers
- Document Object Model Working Group
- history
- Tags
- DOM
- Deliverers
- Document Object Model Working Group