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
372 ms
  • IP
    172.67.216.238
  • Timing

    Wait

    0 ms

    DNS

    80 ms

    TCP

    5 ms

    Request

    0 ms

    First Byte

    287 ms

    Download

    0 ms

    Total

    372 ms

  • HTTP Headers

    Date

    Sat, 20 Dec 2025 07:37:52 GMT

    The date and time that the message was sent.

    Content-Type

    text/plain; charset=utf-8

    The MIME type of this content.

    • Type

      text/plain

    • Description

      text file

    • Charset

      utf-8

    Content-Length

    0

    The length of the response body in octets (8-bit bytes).

    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.

    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=15,cfOrigin;dur=268

    Server metrics for the request.

    • Cfedge

      • dur - 15
    • Cforigin

      • dur - 268

    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=0SX8MTRPi%2BYLzRIxNmDLS%2FnMhCIIboOuCWDEorP6EpAf7lqGCYguB7ujH8qsTcU7p1CBu3rYTCAxKaNwt8flt6jDPfqgcESPYvYmFQVANPD0"}]}

    Report to.

    • Group

      cf-nel

    • Max_age

      604800

    • Endpoints

      • {"url":"https://a.nel.cloudflare.com/report/v4?s=0SX8MTRPi%2BYLzRIxNmDLS%2FnMhCIIboOuCWDEorP6EpAf7lqGCYguB7ujH8qsTcU7p1CBu3rYTCAxKaNwt8flt6jDPfqgcESPYvYmFQVANPD0"}
    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

    Server

    cloudflare

    A name for the server.

    cloudflare - Description of the server software.

    Cf-Ray

    9b0d7a12fa57e572-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).