doctype

doctype is a Pages & visual deliverables skill for AI agents, published by thedaviddias in the Front-End-Checklist repository on GitHub. Skillspace rates doctype C (74/100) and it passed the safety scan; a judge model has also reviewed it.

Use when applies to all HTML documents. Always check the very first line of the raw HTML source (view-source: or DevTools > Network > Response). In SSR frameworks, check the root HTML template (e.g., _document.tsx in Next.js, index.html in Vite/Vue, application.html.erb in Rails). The doctype is not a tag — it is a declaration and does not need a closing tag.

Grade
C
Quality
74 / 100
Safety
Passed
GitHub stars
73,218

Placed #3 of 6 in the judged category final for Pages & visual deliverables.

Our two independent classifiers differ on this skill's category, so treat the placement as provisional.

This rating describes the version of the repository we crawled; it may have changed since, so go by its current files.

Our review

Architecture
100 / 100
Maturity
Structured: ships references or scripts
Security scan
No issues found
License
Not declared. Check the repository before reusing it.
Adoption
Adopted by 0 other repositories, in 1 collections
Scope
Portable: works in any project. General HTML5 doctype best practice for any web document

Judge review

Placed #3 of 6 in the judged category final for Pages & visual deliverables.

  • Trigger5555
  • Instructions8282
  • Specificity8585
  • Safety9595
  • Disclosure8282
  • Maintenance6565
Clean, narrow lint-rule skill with a strong Check/Fix/Explain structure and a references pointer, but a weak, procedurally-worded trigger and thin maintenance signals.

Not checked yet

  • No blind task eval yet
  • Sibling files (scripts, references) not fetched; security scan covers SKILL.md only

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