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Content Freshness Signals

Audit pages for Last-Modified headers and Article dateModified so updates show to search engines

Source Download skill
Repository
thedaviddias/Front-End-Checklist
Stars
74,632
Licence
MIT
Files
2 files

What it does

When installed, the agent can review article and blog pages for signals that show when content was last updated: the Last-Modified HTTP header, a dateModified field in Article structured data (JSON-LD), and a visible 'Last updated' date. It can flag mismatches between these, suggest web server or CMS changes to set them correctly, and explain why this matters for search ranking of time-sensitive content. It is advice and checklist work, not a tool that changes rankings.

Great for

  • Website owners or SEO staff who publish news, tutorials, or reviews and want updates recognised
  • Front-end or CMS developers adding dateModified and Last-Modified to article templates

Skip it if

  • Sites without time-sensitive content, where freshness has little effect on ranking (the claim that Google's QDF always rewards updates is a general SEO assumption, not something verified here)
  • Anyone expecting the skill to guarantee search ranking gains; it only sets out the recommended signals

Try asking

  • “Audit my blog posts for Last-Modified headers and dateModified in JSON-LD”
  • “Show me how to add dateModified to Article JSON-LD in my Next.js blog”
  • “Write an Nginx config snippet that sends Last-Modified headers for my article pages”
  • “Check that my visible 'Last updated' date matches my structured data”
Step-by-step guide: how to use Content Freshness SignalsInstall, first run, examples, tips and FAQs

Install in 3 steps

  1. 1

    Download the skill

    The ZIP contains the 2 original files, the MIT licence and an attribution note.

    freshness.zip
  2. 2

    Add it to your agent

    Claude Code (all projects)

    mkdir -p ~/.claude/skills && unzip freshness.zip -d ~/.claude/skills/

    Claude Code / Agent SDK (this project only)

    mkdir -p .claude/skills && unzip freshness.zip -d .claude/skills/

    Claude apps (web/desktop): Settings → Capabilities → Skills → Upload skill, and choose the ZIP.

  3. 3

    Ask for the task

    No special command needed — the agent reads the skill's description and loads it when your request matches. Try one of the prompts above.

Get better results

  • Give the agent the URL or template files of a few pages so it can check real headers and markup rather than guessing
  • Ask it to confirm that dateModified changes only on substantive edits, since the skill warns against trivial timestamp bumps
  • Review any suggested server config against your own hosting setup before deploying

What's inside

  • references/rule.md
  • SKILL.md

Redistributed unmodified from thedaviddias/Front-End-Checklist under the MIT licence. The assessment was drafted with AI from the skill's files on 2026-10-29. Skills can instruct your agent to run code — read SKILL.md and any scripts before installing.