HTTP Headers

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

Summary

Response
Total Requests
1
Total Time
521 ms
  • IP
    104.21.32.1
  • Timing

    Wait

    0 ms

    DNS

    10 ms

    TCP

    4 ms

    Request

    0 ms

    First Byte

    499 ms

    Download

    1 ms

    Total

    521 ms

  • HTTP Headers

    Date

    Sun, 31 Aug 2025 04:45:45 GMT

    The date and time that the message was sent.

    Content-Type

    text/html

    The MIME type of this content.

    • Type

      text/html

    • Description

      HTML file

    Connection

    close

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

    close - The client or server would like to close the connection.

    Server

    cloudflare

    A name for the server.

    cloudflare - Description of the server software.

    Last-Modified

    Mon, 04 Aug 2025 06:43:15 GMT

    The last modified date for the requested object.

    Report-To

    {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=zIJ48%2By%2BzHe0Ca9tYjreseqnHH8REaKqensoSrskndKy%2FHXPUY5d6XLlTqeO1P66ZsOrWCltrZsHSXUSU%2F5TnuoKSgZzZ4mCQxpy%2FjvHdIy8TrOW3%2BbK6rod4Q8DLAJDiOLtkoPOwi%2BLFg4k"}]}

    Report to.

    • Group

      cf-nel

    • Max_age

      604800

    • Endpoints

      • {"url":"https://a.nel.cloudflare.com/report/v4?s=zIJ48%2By%2BzHe0Ca9tYjreseqnHH8REaKqensoSrskndKy%2FHXPUY5d6XLlTqeO1P66ZsOrWCltrZsHSXUSU%2F5TnuoKSgZzZ4mCQxpy%2FjvHdIy8TrOW3%2BbK6rod4Q8DLAJDiOLtkoPOwi%2BLFg4k"}
    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-Cache-Status

    DYNAMIC

    Encoded information about your request from Cloudflare.

    DYNAMIC - This is not cached by default.

    Speculation-Rules

    "/cdn-cgi/speculation"

    Server-Timing

    cfCacheStatus;desc="DYNAMIC"

    Server metrics for the request.

    • Cfcachestatus

      DYNAMIC

    Server-Timing

    cfEdge;dur=13,cfOrigin;dur=482

    Server metrics for the request.

    • Cfedge

      • dur - 13
    • Cforigin

      • dur - 482

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Cf-Ray

    9779e156e901c472-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).