Every time you open a webpage, your browser sends HTTP headers to the server—and receives headers back. These headers communicate everything from browser type to security permissions. Developers, sysadmins, and marketers alike use HTTP header analysis to debug server behavior, confirm redirects, and enforce performance policies. ### Why Analyze HTTP Headers? - Detect unnecessary redirects - Audit cache control settings - Confirm content types (e.g., JSON, HTML) - Spot vulnerabilities like CORS or X-Frame-Options issues WHOIS Trackr’s HTTP Header tool makes this analysis easy, displaying each header in a structured format with plain-English explanations.