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
1121 ms
  • IP
    45.252.251.117
  • Timing

    Wait

    1 ms

    DNS

    68 ms

    TCP

    242 ms

    Request

    0 ms

    First Byte

    565 ms

    Download

    0 ms

    Total

    1121 ms

  • HTTP Headers

    Date

    Mon, 12 May 2025 19:44:39 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

    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.

    Vary

    Accept-Encoding

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

    • Headers

      • Accept-Encoding
    Link

    <https://dinhphanadvertising.com/wp-json/>; rel="https://api.w.org/"

    Used to express a typed relationship with another resource.

    Link

    <https://dinhphanadvertising.com/wp-json/wp/v2/posts/5438>; rel="alternate"; title="JSON"; type="application/json"

    Used to express a typed relationship with another resource.

    Link

    <https://dinhphanadvertising.com/?p=5438>; rel=shortlink

    Used to express a typed relationship with another resource.

    Server

    HOSTVN.NET

    A name for the server.

    HOSTVN.NET - Description of the server software.

    X-Content-Type-Options

    "nosniff" always

    Prevents Internet Explorer from MIME-sniffing a response away from the declared content-type.

    • "nosniff" always

      Problems were found.

      • Option is not one of known values.
    X-Xss-Protection

    "1; mode=block" always

    Cross-site scripting (XSS) filter.

    • "1

      Problems were found.

      • Option is not one of known values.
    • Mode

      Filtering mode.

      • block" always

        Unknown value.

    Strict-Transport-Security

    "max-age=31536000; includeSubDomains; preload" always

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

    • "max-age

      31536000

      Problems were found.

      • Option is not one of known values.
    • includesubdomains

      max-age applies to subdomains as well.

    • preload" always

      Problems were found.

      • Option is not one of known values.
    Referrer-Policy

    no-referrer-when-downgrade

    Controls what referrer information is sent with requests.

    no-referrer-when-downgrade - Send the full referrer when the protocol security stays the same, or improves.