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
635 ms
  • IP
    185.181.255.39
    View Map

  • Timing

    Wait

    1 ms

    DNS

    13 ms

    TCP

    40 ms

    Request

    0 ms

    First Byte

    540 ms

    Download

    1 ms

    Total

    635 ms

  • HTTP Headers

    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.

    Keep-Alive

    timeout=5, max=100

    Content-Type

    text/html; charset=UTF-8

    The MIME type of this content.

    Problems were detected with this header

    • Unknown MIME type.
    X-Pingback

    https://wp1.themexlab.com/old/duplex/xmlrpc.php

    Where to send WordPress pings.

    Link

    <https://wp1.themexlab.com/old/duplex/wp-json/>; rel="https://api.w.org/"

    Used to express a typed relationship with another resource.

    Link

    <https://wp1.themexlab.com/old/duplex/wp-json/wp/v2/posts/121>; rel="alternate"; type="application/json"

    Used to express a typed relationship with another resource.

    Link

    <https://wp1.themexlab.com/old/duplex/?p=121>; rel=shortlink

    Used to express a typed relationship with another resource.

    Date

    Fri, 18 Sep 2026 22:58:29 GMT

    The date and time that the message was sent.

    Server

    LiteSpeed

    A name for the server.

    LiteSpeed - Description of the server software.

    Vary

    User-Agent

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

    • Headers

      • User-Agent
    Alt-Svc

    h3=":443"; ma=2592000, h3-29=":443"; ma=2592000

    Indicate a resource should be loaded from a different server while still appearing to be loaded from this server.

    • Service

      • h3 - :443

    • Service

      • ma - 2592000 (30 days)

        Max age for the alternative (seconds).

      • h3-29 - :443

    • Service

      • ma - 2592000 (30 days)

        Max age for the alternative (seconds).