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discoverabilityIntermediate4 min readLast updated: Apr 30, 2026

Link Header Present check

AIDE check `link-header-present` — under the discoverability category. Learn what it measures, why it matters and how to fix it.

  • #ai_ready
  • #discoverability

What this check measures

link-header-present — Discoverability.

AIDE check link-header-present — under the discoverability category. Learn what it measures, why it matters and how to fix it.

Profiles using this check: ai_ready

Why it matters

Before an AI agent can include your site in answers it has to discover it. If discovery files like robots.txt, sitemap, llms.txt are misconfigured, the bot skips your content entirely — you become invisible in rankings.

How AIDE tests it

AIDE's scanner inspects your HTML, response headers, and where applicable external signals to evaluate link-header-present, then returns PASS / WARNING / FAIL / SKIPPED against the threshold. Weight: 0.4 points, severity: low.

How to fix it

  • Author robots.txt with explicit User-agent rules; separate lines per AI bot.
  • Feed sitemap.xml from an auto-generating CMS or build pipeline.
  • Publish llms.txt + llms-full.txt — a structured summary for AI agents.

Related resources

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Link Header Present check | AIDE