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
369 ms
  • IP
    104.21.53.138
  • Timing

    Wait

    1 ms

    DNS

    15 ms

    TCP

    4 ms

    Request

    0 ms

    First Byte

    341 ms

    Download

    0 ms

    Total

    369 ms

  • HTTP Headers

    Date

    Fri, 06 Jun 2025 12:54:12 GMT

    The date and time that the message was sent.

    Content-Type

    text/html; charset=UTF-8

    The MIME type of this content.

    • Type

      text/html

    • Description

      HTML file

    • Charset

      UTF-8

    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.

    Vary

    Accept-Encoding

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

    • Headers

      • Accept-Encoding
    Vary

    Accept-Encoding

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

    • Headers

      • Accept-Encoding

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Last-Modified

    Fri, 06 Jun 2025 04:30:05 GMT

    The last modified date for the requested object.

    Cache-Control

    max-age=0

    Inform all caching mechanisms from server to client whether they may cache this object.

    • Max-Age

      0

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

    Expires

    Fri, 06 Jun 2025 12:54:12 GMT

    The time at which the response is considered stale.

    X-Httpd-Modphp

    1

    Host-Header

    8441280b0c35cbc1147f8ba998a563a7

    X-Proxy-Cache-Info

    DT:1

    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.

    Report-To

    {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=zKanb6HYVp88ZDETdeWdquuBE4BcdKnuP6YAkgCxxgC1GGiBz5n%2FH4%2BqjZbAC5KDATmLnMvnUrThMfo8r4ggkNiyYXSzKdh9rrnwEH5DPZ8%2BFfA%3D"}]}

    Report to.

    • Group

      cf-nel

    • Max_age

      604800

    • Endpoints

      • {"url":"https://a.nel.cloudflare.com/report/v4?s=zKanb6HYVp88ZDETdeWdquuBE4BcdKnuP6YAkgCxxgC1GGiBz5n%2FH4%2BqjZbAC5KDATmLnMvnUrThMfo8r4ggkNiyYXSzKdh9rrnwEH5DPZ8%2BFfA%3D"}
    Cf-Ray

    94b80e972894c470-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).