HTTP headers are key-value pairs sent by servers in response to browser requests. They provide information about the server, cache settings, status codes, content type, and more.
Headers reveal critical information about server behavior, redirection, content delivery, and SEO signals. They are essential for developers, SEO experts, and cybersecurity teams.
Yes, the iBytes HTTP Header Checker is 100% free and available to anyone, no sign-up required.
Common SEO-related headers include HTTP Status, Content-Type, Cache-Control, X-Robots-Tag, and Location (for redirects).
No, this version only supports URLs starting with HTTPS for security reasons.
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