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specification.website
specification.website documents platform-independent requirements for HTML, accessibility, security, SEO, and agent readiness.
About specification.website
specification.website collects platform-independent requirements for HTML, accessibility, security, SEO, and agent readiness, with sources cited on each page. It defines outcomes and status levels — Required, Recommended, Optional, Avoid — rather than tool-specific implementation steps. It also covers foundations, well-known URIs, performance, privacy, resilience, and internationalisation, and includes an MCP server for agent access. It is not a framework or tutorial and does not give platform-specific advice.
Key features
- Platform-agnostic HTML and document structure requirements with sources
- WCAG-aligned accessibility rules with cited references
- Security headers, transport, and policy specifications
- Search visibility requirements covering sitemaps and structured data
- Agent-readiness guidance for making sites legible to AI agents
- MCP server exposing spec content to MCP-aware agents
Best for: Developers and site builders who need implementation-neutral requirements with cited standards references.
Good for
- Each spec page cites at least one source such as WHATWG, W3C, IETF, or MDN
- Describes required outcomes without prescribing specific frameworks or plugins
- Uses Required, Recommended, Optional, and Avoid levels to indicate priority
Watch out for
- Not a tutorial and does not provide step-by-step implementation instructions
- Does not provide platform-specific advice for a particular framework
- States where no settled standard exists rather than giving an opinion
specification.website at a glance
- Category
- Development › Web Development
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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specification.website FAQ
Is specification.website a framework or tutorial?
No. It describes outcomes, requirements, and references, and leaves implementation choice to the reader.
How are specification items prioritized?
As Required, Recommended, Optional, or Avoid, from platform contract breaks to outdated or superseded practices.
What topics does the specification cover?
Foundations, SEO, Accessibility, Security, Well-Known URIs, Agent Readiness, Performance, Privacy, Resilience, and Internationalisation.
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