Browse up-to-date drafts of CSS standards from the official CSS Working Group, providing technical specs and documentation for web developers.
Access live CSS standard drafts and specs
This website hosts the latest editor drafts from the CSS Working Group, giving you access to the most current versions of CSS standards and specifications. It's an essential resource for web developers, browser implementers, and anyone interested in the ongoing evolution of Cascading Style Sheets.
You can browse detailed technical documents that define how CSS works, stay up to date on proposed changes, and find the official source for new features before they become widely adopted. If you're building websites, tools, or browsers, this site helps you understand the exact rules and updates shaping the web's styling language.
Discover websites similar to Drafts.csswg.org based on shared categories, topics, and features.
Schema.org offers a collection of schemas for structured data, helping webmasters and developers make web content more understandable to search engines.
Official site for the IETF HTTP Working Group, sharing standards, documentation, and updates on the development of the HTTP protocol for the web.
Official documentation for the MIME Sniffing web standard, explaining how browsers determine file types for web resources. Useful for developers.
Defines core concepts and terminology used in web standards, offering clear documentation for developers and standards authors.
Find official resources, updates, and documentation about the Message Passing Interface (MPI) standard on the MPI Forum's information website.
Access working drafts and editor documents from the FX Task Force, focused on web standards and specifications for developers and implementers.
Browse and review Ethereum Classic Improvement Proposals that define standards, protocols, and updates for the Ethereum Classic blockchain.
Access official documentation and resources from the PCI Security Standards Council to help ensure payment card security and compliance.
Browse official OpenAPI specifications and extension registries, with easy access to authoritative HTML docs and schemas for API standards.
Access official Linux Foundation referenced specifications and technical standards. Free registration required to view and download detailed specs.
Explore official documentation, news, and resources for international technology standards and development from recognized standards organizations.
Access IEEE working groups and standards development resources for technology, engineering, and industry professionals worldwide.
ETSI creates global ICT standards for networks, systems, and services, supporting innovation and interoperability across industries worldwide.
ANSI coordinates U.S. voluntary standards and accreditation, helping industries and organizations ensure quality, safety, and compliance nationwide.
Browse Ethereum Improvement Proposals (EIPs) to explore key standards, protocols, and technical specs that shape the Ethereum blockchain ecosystem.
Official site for the International Council for Harmonisation, offering guidelines and resources on global pharmaceutical standards and regulations.
Official site for the International Organization of Legal Metrology, offering standards, publications, and resources on legal metrology worldwide.
Alliance for Open Media unites global innovators to develop open-source digital media standards like AV1, making next-gen media technology accessible to all.
Access electronic inserts and documents for ISO standards, provided for public use under the ISO Customer Licence Agreement. Find and download official materials.
WinterTC is an Ecma International committee where JS runtime developers collaborate to improve API interoperability and web server standards.
Access official European standards and technical documents from CEN, supporting industry, innovation, and quality across Europe.
SIS är det svenska institutet för standarder och samordnar utveckling av nationella och internationella standarder inom flera områden.
CEN-CENELEC develops and promotes European standards, supporting industry, innovation, and policy for a unified and sustainable single market.
EMVCo sets global standards for secure, seamless card payments, offering resources and specifications for businesses, providers, and payment systems.
XBRL.org is the official home of the XBRL standard, offering resources, news, and guidance for digital business reporting and regulatory compliance worldwide.
Browse and search official Chinese national and industry standards (GB/T, YY, QC, and more) for reference, compliance, and technical information.
The IFRS Foundation develops global accounting and sustainability standards, offering resources and updates for professionals and organizations worldwide.
ARIN manages and allocates IP addresses and ASNs in North America, supporting Internet growth with open policy discussions and helpful resources.
JEDEC creates open standards and publications for the microelectronics industry, helping shape technologies like memory, semiconductors, and more.
W3C creates open web standards and guidelines to support accessibility, privacy, and security, helping everyone build a better, more inclusive internet.
Learn about the DOI system and join a global community focused on persistent digital identification and standards for scholarly and digital content.
Schema.org offers shared vocabularies that help you add structured data to your website, making your content more understandable to search engines and apps.
IETF develops and maintains open standards that enable the Internet to function and grow, offering resources, meetings, and participation for all.
Explore the ACM Code of Ethics, a guide for computing professionals on ethical standards and responsible conduct in technology and software fields.
IAB Tech Lab is a non-profit group creating open technology standards that help build trust and growth in the global digital advertising ecosystem.
BIPM is the international organization where countries collaborate on global measurement standards and scientific metrology initiatives.
PHP-FIG brings together PHP projects to create shared standards and guidelines, helping developers build better, more compatible PHP software.
GS1 provides global standards for barcodes and product identification, helping businesses streamline supply chains and improve product traceability worldwide.
OASIS Open brings people and organizations together to develop open standards and solutions for global technology challenges.
Ecma International sets industry standards for information and communication systems, offering resources, publications, and updates for tech professionals.
Explore Unicode standards, resources, and documentation for consistent text encoding and internationalization across digital platforms.
Access official NIST technical publications, research papers, and standards from the National Institute of Standards and Technology in one searchable library.
Wi-Fi Alliance connects companies worldwide to develop Wi-Fi standards and certify products, helping you find trusted devices and industry updates.
IPTC sets global technical standards for the news media, offering resources, guides, and membership for those shaping the future of digital news.
SECG is a group that creates open standards for efficient cryptography, helping technology companies ensure secure and compatible computing systems.
Official site of the International Civil Aviation Organization, offering aviation standards, guidance, and global resources in multiple languages.
Official USB standards website with resources for developers, compliance info, certified products, and updates on USB technology advancements.
ASTM International develops and publishes global standards that support quality, safety, and innovation across industries and products worldwide.
The Java Community Process website is where Java developers collaborate to define and update Java standards, sharing updates and resources for the Java platform.
Official site for HDMI licensing, specs, and education—find technical details, compliance info, and updates on HDMI standards for devices and cables.
Activity Streams shares an open format for syndicating social activities across the web, helping sites and apps connect and display shared user activities.
Get official RSS specifications, updates, and best practices from the RSS Advisory Board. Stay informed about Really Simple Syndication news and resources.
Official site for the W3C Technical Architecture Group, sharing web standards, architecture guidance, and resources for developers and the tech community.
Explore and access global technology standards, resources, and certification programs from the IEEE Standards Association, supporting innovation and best practices.
The WHATWG website is home to web standards and specifications, helping developers and browsers build and support modern web applications.
The Open Group is a global consortium that develops open, vendor-neutral technology standards and certifications for organizations and professionals.
The Web Standards Project promotes web standards, making web technologies more accessible and consistent for everyone across browsers and devices.
Archive of the International Digital Publishing Forum, the standards body for digital publishing, now merged with W3C. Find legacy info and resources here.
Defines clear principles for open data and content, helping users understand and apply openness standards in various languages.
Defines how browsers and web apps handle requests and responses, offering detailed documentation for developers on the Fetch API standard.