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
1256 ms
  • IP
    104.21.28.50
  • Timing

    Wait

    0 ms

    DNS

    11 ms

    TCP

    4 ms

    Request

    1 ms

    First Byte

    1230 ms

    Download

    0 ms

    Total

    1256 ms

  • HTTP Headers

    Date

    Sat, 07 Mar 2026 02:06:49 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.

    Vary

    Accept-Encoding

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

    • Headers

      • Accept-Encoding
    Vary

    User-Agent

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

    • Headers

      • User-Agent

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Link

    <https://dont-stick.ru/wp-json/>; rel="https://api.w.org/"

    Used to express a typed relationship with another resource.

    Link

    <https://dont-stick.ru/wp-json/wp/v2/posts/3048>; rel="alternate"; title="JSON"; type="application/json"

    Used to express a typed relationship with another resource.

    Link

    <https://dont-stick.ru/?p=3048>; rel=shortlink

    Used to express a typed relationship with another resource.

    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.

    Server-Timing

    cfCacheStatus;desc="DYNAMIC"

    Server metrics for the request.

    • Cfcachestatus

      DYNAMIC

    Server-Timing

    cfEdge;dur=9,cfOrigin;dur=1217

    Server metrics for the request.

    • Cfedge

      • dur - 9
    • Cforigin

      • dur - 1217

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Report-To

    {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=ppI2%2FB1eMxfUdsGtMSzzH6oHs5%2FNNNyy2u0IDpGKYqcFDzkvji2oJkuMqgG7NQRXRwBclBUB%2FdCY5w4Pe2b1Ap0DrC%2FFeI61Al%2B4"}]}

    Report to.

    • Group

      cf-nel

    • Max_age

      604800

    • Endpoints

      • {"url":"https://a.nel.cloudflare.com/report/v4?s=ppI2%2FB1eMxfUdsGtMSzzH6oHs5%2FNNNyy2u0IDpGKYqcFDzkvji2oJkuMqgG7NQRXRwBclBUB%2FdCY5w4Pe2b1Ap0DrC%2FFeI61Al%2B4"}
    Cf-Ray

    9d860afe5d5e0f8c-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).