--- okf_version: "0.1" --- # Web Specification Studio > Web Specification Studio is a technical resource for developers who want to build to standard rather than to habit. We publish in-depth documentation on performance, accessibility, and architecture. An Open Knowledge Format bundle of 179 checks across 11 categories, derived from https://webspecification.com. Each check mirrors a spec page; the `references/` directory mirrors every cited standard. Content licensed CC BY 4.0; canonical pages live at https://webspecification.com/spec/. ## Categories * [Foundations](foundations/index.md) - The HTML, head, and document basics every page needs. * [SEO](seo/index.md) - Search visibility — robots.txt, sitemaps, canonicals, structured data. * [Accessibility](accessibility/index.md) - WCAG-aligned rules so people of all abilities can use the site. * [Security](security/index.md) - Headers, transport, and policies that keep visitors safe. * [Well-Known URIs](well-known/index.md) - Standard, agreed-upon paths under /.well-known/. * [Agent Readiness](agent-readiness/index.md) - Things that make a site legible to AI agents and crawlers. * [Performance](performance/index.md) - Core Web Vitals, caching, images, fonts, network behaviour. * [Privacy](privacy/index.md) - Consent, signals, and respecting visitor choice. * [Resilience](resilience/index.md) - Graceful failure — error pages, offline, redirects. * [Internationalisation](i18n/index.md) - Language, locale, direction, and translated content. * [Studio Standards](studio-standards/index.md) - Our 15+ advanced, proprietary specifications for AEO, edge-rendering, and zero-jank interfaces. ## Bundle * [References](references/index.md) - Mirrored external standards. * [Change log](log.md) - History of the spec, newest first.