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
392 ms
  • IP
    104.21.48.1
    View Map

  • Timing

    Wait

    1 ms

    DNS

    8 ms

    TCP

    2 ms

    Request

    0 ms

    First Byte

    375 ms

    Download

    0 ms

    Total

    392 ms

  • HTTP Headers

    Date

    Wed, 02 Apr 2025 06:11:16 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.

    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'.

    Set-Cookie

    cpPosTime=1743574276.7329; expires=Wed, 02-Apr-2025 06:12:16 GMT; Max-Age=60; path=/; secure; HttpOnly

    A cookie sent from the server to be set on the client

    • cpPosTime

      1743574276.7329

      Cookie name and value.

    • Expires

      Wed, 02-Apr-2025 06:12:16 GMT

      When the cookie should expire.

    • Max-Age

      60 (1 minute)

      Number of seconds until the cookie expires.

    • Path

      /

      The client will only send the cookie when requesting this path, or subdirectories, from the server.

    • secure

      The cookie is only sent when requesting from a https domain.

    • HttpOnly

      Prevents access to the cookie through JavaScript.

    Content-Language

    en

    The natural language or languages of the intended audience for the enclosed content.

    en - English

    X-Ua-Compatible

    IE=Edge

    Recommends the preferred rendering engine (often a backward-compatibility mode) to use to display the content.

    IE=Edge - Use highest level rendering.

    Link

    </resources/assets/wiki.png?de8c8>;rel=preload;as=image

    Used to express a typed relationship with another resource.

    • Link

      /resources/assets/wiki.png?de8c8

      • rel - preload
      • as - image
    Vary

    Accept-Encoding, Cookie

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

    • Headers

      • Accept-Encoding
      • Cookie
    Expires

    Thu, 01 Jan 1970 00:00:00 GMT

    The time at which the response is considered stale.

    Cache-Control

    private, must-revalidate, max-age=0

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

    • private

      May only be stored by a browser cache.

    • must-revalidate

      Stale caches must not be used.

    • Max-Age

      0

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

    Last-Modified

    Mon, 27 Jan 2025 12:24:14 GMT

    The last modified date for the requested object.

    Cf-Cache-Status

    DYNAMIC

    Encoded information about your request from Cloudflare.

    DYNAMIC - This is not cached by default.

    Report-To

    {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=1hbyl9JATy8ZibzuBgUrRbLsME4V9nvDbudtN72G917lyjnhV7%2FhGrY%2BeWeXrIpn3n1pPop%2F8ideKEHhBUJmp1sJ%2FsiZZaNsuROIF%2FSXJai05dVTNPDcjyQSgXMNzcEasA%3D%3D"}],"group":"cf-nel","max_age":604800}

    Report to.

    • Endpoints

      • {"url":"https://a.nel.cloudflare.com/report/v4?s=1hbyl9JATy8ZibzuBgUrRbLsME4V9nvDbudtN72G917lyjnhV7%2FhGrY%2BeWeXrIpn3n1pPop%2F8ideKEHhBUJmp1sJ%2FsiZZaNsuROIF%2FSXJai05dVTNPDcjyQSgXMNzcEasA%3D%3D"}

    • Group

      cf-nel

    • Max_age

      604800

    Nel

    {"success_fraction":0,"report_to":"cf-nel","max_age":604800}

    Configure network request logging.

    • Success_fraction

      0

    • Report_to

      cf-nel

    • Max_age

      604800

    Server

    cloudflare

    A name for the server.

    cloudflare - Description of the server software.

    Cf-Ray

    929e2afbbd9323ce-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).

    Server-Timing

    cfL4;desc="?proto=TCP&rtt=1582&min_rtt=1209&rtt_var=670&sent=4&recv=6&lost=0&retrans=0&sent_bytes=2832&recv_bytes=728&delivery_rate=2369885&cwnd=251&unsent_bytes=0&cid=342b652e0d360f21&ts=378&x=0"

    Server metrics for the request.

    • Cfl4