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
709 ms
  • https://hedgedoc.stusta.de/s/T-aTceZgp

    Status
    200
    Message
    OK
    Time
    709 ms
  • IP
    141.84.69.194
  • Timing

    Wait

    0 ms

    DNS

    397 ms

    TCP

    94 ms

    Request

    0 ms

    First Byte

    118 ms

    Download

    1 ms

    Total

    709 ms

  • HTTP Headers

    Server

    nginx/1.18.0

    A name for the server.

    • Server

      nginx

      Description of the server software.

    • Version

      1.18.0

      Version number.

    Date

    Thu, 12 Mar 2026 09:02:35 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

    Content-Length

    29457(29.5 kB)

    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.

    X-Powered-By

    Express

    The software powering this site.

    Strict-Transport-Security

    max-age=31536000; includeSubDomains; preload

    A HSTS Policy informing the HTTP client how long to cache the HTTPS only policy and whether this applies to subdomains.

    • Max-Age

      31536000 (1 year)

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

    • includesubdomains

      max-age applies to subdomains as well.

    • preload

      Use Google's preloading strict transport security.

    Referrer-Policy

    same-origin

    Controls what referrer information is sent with requests.

    same-origin - Send the full referrer for same origin requests, and nothing for cross-origin.

    Content-Security-Policy

    default-src 'none';base-uri 'self';connect-src 'self' wss://hedgedoc.stusta.de;font-src 'self';manifest-src 'self';frame-src 'self' https://player.vimeo.com https://www.slideshare.net/slideshow/embed_code/key/ https://www.youtube.com *;img-src *;script-src https://hedgedoc.stusta.de/build/ https://hedgedoc.stusta.de/js/ https://hedgedoc.stusta.de/config https://gist.github.com/ https://vimeo.com/api/oembed.json https://www.slideshare.net/api/oembed/2 'unsafe-inline' 'nonce-ffb5c40b-8bb4-4d61-934d-218367f7d031' 'sha256-81acLZNZISnyGYZrSuoYhpzwDTTxi7vC1YM4uNxqWaM=';style-src https://hedgedoc.stusta.de/build/ https://hedgedoc.stusta.de/css/ 'unsafe-inline' https://github.githubassets.com;object-src * *;form-action 'self';media-src *;upgrade-insecure-requests

    The content security policy allows the server to determine what resources the user is allowed to load.

    • Default-Src

      Fallback for all fetches.

      • 'none'
    • Base-URI

      Define what can be used in the base element.

      • 'self'
    • Connect-Src

      Define sources for script interfaces.

      • 'self'
      • wss://hedgedoc.stusta.de
    • Font-Src

      Define sources for fonts.

      • 'self'
    • Manifest-Src

      Define sources for manifest files.

      • 'self'
    • Frame-Src

      Define sources for frames.

      • 'self'
      • https://player.vimeo.com
      • https://www.slideshare.net/slideshow/embed_code/key/
      • https://www.youtube.com
      • *
    • Img-Src

      Define sources for images and favicons.

      • *
    • Script-Src

      Define sources for JavaScript.

      • https://hedgedoc.stusta.de/build/
      • https://hedgedoc.stusta.de/js/
      • https://hedgedoc.stusta.de/config
      • https://gist.github.com/
      • https://vimeo.com/api/oembed.json
      • https://www.slideshare.net/api/oembed/2
      • 'unsafe-inline'
      • 'nonce-ffb5c40b-8bb4-4d61-934d-218367f7d031'
      • 'sha256-81acLZNZISnyGYZrSuoYhpzwDTTxi7vC1YM4uNxqWaM='
    • Style-Src

      Define sources for stylesheets.

      • https://hedgedoc.stusta.de/build/
      • https://hedgedoc.stusta.de/css/
      • 'unsafe-inline'
      • https://github.githubassets.com
    • object-src

      Define sources for object, embed, and applet elements.

      Problems were found.

      • Duplicate value detected.
      • *

        Duplicated value.

      • *

        Duplicated value.

    • Form-Action

      Define what can be used as the target for forms.

      • 'self'
    • Media-Src

      Define sources for audio, video, and track elements.

      • *
    • upgrade-insecure-requests

      Treat insecure URLs as though they are secure.

    Hedgedoc-Version

    1.9.9

    Cache-Control

    private

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

    private - May only be stored by a browser cache.

    Etag

    W/"7311-zzTGfmzOqPLtttW9gb3E+MAUlQA"

    An identifier for a specific version of a resource.

    • Validator

      weak

      A weak tag is easier to generate and prevents byte range caching.

    • Tag

      7311-zzTGfmzOqPLtttW9gb3E+MAUlQA

    Set-Cookie

    connect.sid=s%3AyQ4Vo--2qv951cbeOHVunFQyJBepfr6X.r743lZhlnzB6CWbxyYc6vhklYnL3Jrc%2BAvVJ37Bls7c; Path=/; Expires=Thu, 26 Mar 2026 09:02:35 GMT; HttpOnly; Secure; SameSite=Lax

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

    • connect.sid

      s%3AyQ4Vo--2qv951cbeOHVunFQyJBepfr6X.r743lZhlnzB6CWbxyYc6vhklYnL3Jrc%2BAvVJ37Bls7c

      Cookie name and value.

    • Path

      /

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

    • Expires

      Thu, 26 Mar 2026 09:02:35 GMT

      When the cookie should expire.

    • HttpOnly

      Prevents access to the cookie through JavaScript.

    • Secure

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

    • Samesite

      Lax

      Cookie is not sent on cross-site requests but is when following a link to the origin.

    Vary

    Accept-Encoding

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

    • Headers

      • Accept-Encoding