For AI agents: a documentation index is available at /llms.txt. Markdown versions of these pages are available by appending `.md` to the URL or by sending `Accept: text/markdown`.

Rules / changelog

Ruleset changelog

Built-in ruleset 2026-07 · 32 public rule ids. Ids power /rules/<id> and CLI --disable; never rename them after release.

  1. 2026-07

    2026-07

    Initial public ruleset — 32 stable rule ids.

    • Required Open Graph and Twitter Card checks.
    • URL correctness, HTTPS, canonical, and redirect checks.
    • Text budgets, truncation, and entity checks.
    • Image dimensions, crop risk, bytes, MIME, alt, access, and redirects.
    • robots, User-Agent divergence, and JavaScript-only tag checks.
    • Rule ids are a public API for docs and CI.
OGKit