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
288 ms
  • https://valetinowiki.racing/wiki/Malmbergmcdaniel9301

    Status
    500
    Message
    Internal Server Error
    Time
    288 ms
  • IP
    172.67.200.121
  • Timing

    Wait

    0 ms

    DNS

    21 ms

    TCP

    6 ms

    Request

    1 ms

    First Byte

    247 ms

    Download

    1 ms

    Total

    288 ms

  • HTTP Headers

    Date

    Sun, 22 Feb 2026 21:14:03 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

    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.

    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'.

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

    Used to express a typed relationship with another resource.

    • Link

      /resources/assets/wiki.png?de8c8

      • as - image
    • 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

    no-cache, no-store, max-age=0, must-revalidate

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

    • no-cache

      May be stored by any cache but must be validated by the server.

    • no-store

      May not be stored by any cache.

    • Max-Age

      0

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

    • must-revalidate

      Stale caches must not be used.

    Pragma

    no-cache

    HTTP/1.0 backwards compatible cache handling.

    no-cache - Force requests to the origin server before releasing a cache.

    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=soMuXbzo0cG7R%2BezvybDHxfUzDdOVvDaubSVAenOBrYVwDsXiJBLF8v2z9prkmzX8b8uCr0MNjjGpr1XfqgRepL50XdEzd%2Fl1a7cdQLoygx0f4c%3D"}]}

    Report to.

    • Group

      cf-nel

    • Max_age

      604800

    • Endpoints

      • {"url":"https://a.nel.cloudflare.com/report/v4?s=soMuXbzo0cG7R%2BezvybDHxfUzDdOVvDaubSVAenOBrYVwDsXiJBLF8v2z9prkmzX8b8uCr0MNjjGpr1XfqgRepL50XdEzd%2Fl1a7cdQLoygx0f4c%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

    9d217daa0f8c5930-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).