The same header that can carry noindex can carry nosnippet or none. The none value combines noindex and nofollow, so a single header line can both hide the page and cut its links. Snippet suppression delivered via HTTP header. Same AI-feature exclusion as the meta version, but hidden in headers.
Why does x-robots-tag nosnippet/none in header matter for AI search?
Same AI-feature exclusion as the meta version, but hidden in headers.
How do you fix it?
Inspect and remove at server/CDN.
How do you find it on your site?
- Run curl -I on the page and inspect the X-Robots-Tag value in full.
- Look for nosnippet, none, or max-snippet:0.
- Cross-check against the HTML meta robots tag for conflicts.
- Edit the server or CDN rule that sets the header.
Which ranking and citation factors does it touch?
The none value is the bluntest directive of all. It removes both indexing and link flow, so it deserves the same urgency as a header noindex.
What is the impact?
Severe/blocking for AI features. Direct.
What is the evidence?
Header-delivered nosnippet/none governs snippet and AI-feature input. Google Search Central, Robots Meta Tags Specifications
Frequently asked questions about x-robots-tag nosnippet/none in header
What does "X-Robots-Tag nosnippet/none in header" mean?
Snippet suppression delivered via HTTP header.
How do you fix x-Robots-Tag nosnippet/none in header?
Inspect and remove at server/CDN.