HTTP Headers

Show the HTTP headers for a URL, with a full break-down of details. Will follow redirects.

Summary

Response
200
Total Requests
1
Total Time
380 ms
  • IP
    172.67.150.191
    View Map

  • Timing

    Wait

    0 ms

    DNS

    8 ms

    TCP

    8 ms

    Request

    1 ms

    First Byte

    350 ms

    Download

    1 ms

    Total

    380 ms

  • HTTP Headers

    Date

    Wed, 15 Jul 2026 16:28:26 GMT

    The date and time that the message was sent.

    Content-Type

    text/html; charset=UTF-8

    The MIME type of this content.

    Problems were detected with this header

    • Unknown MIME type.
    Connection

    keep-alive

    Control options for the current connection and list of hop-by-hop response fields.

    keep-alive - The client would like to keep the connection open.

    Server

    cloudflare

    A name for the server.

    cloudflare - Description of the server software.

    Vary

    Accept-Encoding

    Indicates that different content may be provided to different clients, depending on the vary header.

    • Headers

      • Accept-Encoding
    Link

    <https://icatwarrior.com/?p=381>; rel=shortlink

    Used to express a typed relationship with another resource.

    X-Content-Type-Options

    nosniff

    Prevents Internet Explorer from MIME-sniffing a response away from the declared content-type.

    nosniff - Block requests if type 'style' or 'script'.

    X-Frame-Options

    SAMEORIGIN

    Clickjacking protection.

    SAMEORIGIN - No rendering if origin mismatch.

    X-Xss-Protection

    1; mode=block

    Cross-site scripting (XSS) filter.

    • 1

      Enable XSS filtering.

    • Mode

      Filtering mode.

      • block - Block page if XSS is detected.
    Referrer-Policy

    no-referrer-when-downgrade

    Controls what referrer information is sent with requests.

    no-referrer-when-downgrade - Send the full referrer when the protocol security stays the same, or improves.

    Content-Security-Policy

    upgrade-insecure-requests

    The content security policy allows the server to determine what resources the user is allowed to load.

    upgrade-insecure-requests - Treat insecure URLs as though they are secure.

    Strict-Transport-Security

    max-age=15552000

    A HSTS Policy informing the HTTP client how long to cache the HTTPS only policy and whether this applies to subdomains.

    • Max-Age

      15552000 (180 days)

      The time a browser should remember a site can only be accessed with https (seconds).

    Cf-Cache-Status

    DYNAMIC

    Encoded information about your request from Cloudflare.

    DYNAMIC - This is not cached by default.

    Server-Timing

    cfCacheStatus;desc="DYNAMIC"

    Server metrics for the request.

    • Cfcachestatus

      DYNAMIC

    Server-Timing

    cfEdge;dur=14,cfOrigin;dur=331

    Server metrics for the request.

    • Cfedge

      • dur - 14

    • Cforigin

      • dur - 331

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Report-To

    {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=EDrOz7MPz2GoOeSPs3uDBOu%2B0WTHuFH2N5JTzJ7OLq7MjwRfXwJn4G2IGToiVfTtZ30isEfNCGdRLdecwFtVsaE5D1o7wFiyCNi4ZfkAnLeLa%2B3JBhEgLZD%2FlPQLFatv3c8%3D"}]}

    Report to.

    • Group

      cf-nel

    • Max_age

      604800

    • Endpoints

      • {"url":"https://a.nel.cloudflare.com/report/v4?s=EDrOz7MPz2GoOeSPs3uDBOu%2B0WTHuFH2N5JTzJ7OLq7MjwRfXwJn4G2IGToiVfTtZ30isEfNCGdRLdecwFtVsaE5D1o7wFiyCNi4ZfkAnLeLa%2B3JBhEgLZD%2FlPQLFatv3c8%3D"}
    Nel

    {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}

    Configure network request logging.

    • Report_to

      cf-nel

    • Success_fraction

      0

    • Max_age

      604800

    Cf-Ray

    a1ba23e79cd5005e-EWR

    Encoded information about your request from Cloudflare.

    Alt-Svc

    h3=":443"; ma=86400

    Indicate a resource should be loaded from a different server while still appearing to be loaded from this server.

    • Service

      • h3 - :443

    • Service

      • ma - 86400 (1 day)

        Max age for the alternative (seconds).