noindex detected in 'X-Robots-Tag' http header

What’s actually happening

Search Console reports the page is excluded by a noindex tag, but you check the HTML source and there is no `<meta name="robots" content="noindex">` anywhere. That's because the directive lives in the HTTP response headers, not the document body, so View Source and most on-page SEO plugins miss it entirely. The page returns 200 and looks completely normal in a browser. Meanwhile Google quietly removes it from the index because a response header outranks anything you put in the markup.

Common causes

• A leftover staging or pre-launch rule that set X-Robots-Tag: noindex sitewide and was never removed when the site went live
• An Nginx `add_header X-Robots-Tag "noindex";` or Apache `Header set X-Robots-Tag` line in a config or .htaccess that applies more broadly than intended
• A CDN or reverse proxy (Cloudflare Workers, Fastly, Vercel) injecting the header at the edge
• An SEO plugin or CMS setting flipped to noindex for that URL pattern, output as a header rather than a meta tag
• A security or maintenance plugin that adds noindex headers and forgets to strip them after maintenance mode ends

How to fix it

1. Confirm the header is actually being sentRun `curl -I https://yoursite.com/the-page` and look for an `X-Robots-Tag: noindex` line. This is the definitive check — if it is there, the HTML meta tags are irrelevant.
2. Locate the source layerWork outward: check the CMS/SEO-plugin settings first, then the app code, then the web server config (`nginx.conf`, virtual host, `.htaccess`), then the CDN/edge rules. Compare headers with the CDN bypassed to tell whether origin or edge is adding it.
3. Remove or scope the ruleDelete the blanket directive, or wrap it in a condition so it only matches the paths you genuinely want hidden (e.g., `/staging/`, `/cart/`). Avoid applying X-Robots-Tag at the top-level server block.
4. Re-test, then request indexingAfter deploying, run `curl -I` again to confirm the header is gone. Then use the URL Inspection tool, click Test Live URL to verify Google sees an indexable page, and submit it for indexing.