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HTTP header checker
Paste your address. We read the response headers your server sends and check security headers, compression, caching and indexing instructions.
Free. No sign-up. We only read the public page.
What it does
HTTP header checker
- Security headers like HSTS and CSP
- Compression and cache settings
- X-Robots-Tag instructions
- The full list of headers
Are headers an SEO factor?
Some are. Status codes, X-Robots-Tag and https matter directly. The rest build trust and speed.
Will you change my headers?
Our team can. It is usually a few lines in your server settings.
