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
691 ms

  • https://arkispecs.com/

    Status
    200
    Message
    OK
    Time
    691 ms
  • IP
    172.67.216.149
    View Map

  • Timing

    Wait

    1 ms

    DNS

    10 ms

    TCP

    3 ms

    Request

    1 ms

    First Byte

    666 ms

    Download

    1 ms

    Total

    691 ms

  • HTTP Headers

    Date

    Fri, 09 May 2025 15:10:25 GMT

    The date and time that the message was sent.

    Content-Type

    text/html

    The MIME type of this content.

    • Type

      text/html

    • Description

      HTML file

    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.

    Last-Modified

    Tue, 15 Apr 2025 12:23:13 GMT

    The last modified date for the requested object.

    Vary

    Accept-Encoding

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

    • Headers

      • Accept-Encoding
    Etag

    W/"67fe4fb1-1daf2"

    An identifier for a specific version of a resource.

    • Validator

      weak

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

    • Tag

      67fe4fb1-1daf2

    Strict-Transport-Security

    max-age=31536000

    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).

    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=KyWzZtxQdyYKesk6MhUxtNmYFqRDagVk3qwjAt2yUEvV7m1XGAnj93f4ROxn0lYj9e2Fw6NAWeUL%2Ffp3GKvUNM1MJZwlOY87GAI1V3PvWUnNwqvveAMSaoGD%2B9ZJS%2FaW"}]}

    Report to.

    • Group

      cf-nel

    • Max_age

      604800

    • Endpoints

      • {"url":"https://a.nel.cloudflare.com/report/v4?s=KyWzZtxQdyYKesk6MhUxtNmYFqRDagVk3qwjAt2yUEvV7m1XGAnj93f4ROxn0lYj9e2Fw6NAWeUL%2Ffp3GKvUNM1MJZwlOY87GAI1V3PvWUnNwqvveAMSaoGD%2B9ZJS%2FaW"}
    Cf-Ray

    93d21f9e3a63424c-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).