Metadata the server sends alongside the response body — content type, caching rules, security policies (HSTS, CSP), redirect targets, and server identity. They tell the browser and search crawlers how to treat the page.
Paste any URL and press Inspect. We send a HEAD request (with GET fallback) and show the status code and every header name/value pair the server returned.
Watch x-robots-tag, cache-control, content-type, and any redirect location. Crawlers honor robots directives in headers the same as in meta tags.
No — internal addresses (localhost, 10.0.0.0/8, etc.) are blocked. This tool only reaches public hosts on http or https.
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