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
153 ms

  • https://www.calculategenius.com/

    Status
    200
    Message
    OK
    Time
    153 ms
  • IP
    75.2.115.196
    View Map

  • Timing

    Wait

    0 ms

    DNS

    28 ms

    TCP

    7 ms

    Request

    0 ms

    First Byte

    92 ms

    Download

    0 ms

    Total

    153 ms

  • HTTP Headers

    Accept-Ch

    viewport-width

    Specify what client hints should be included in subsequent requests.

    viewport-width - Support for the viewport width.

    Accept-Ch

    dpr

    Specify what client hints should be included in subsequent requests.

    dpr - Support for client device pixel ratio.

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Accept-Ch

    device-memory

    Specify what client hints should be included in subsequent requests.

    device-memory - Indicate approximate amount of RAM.

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Accept-Ch

    rtt

    Specify what client hints should be included in subsequent requests.

    • rtt

      Problems were found.

      • Option is not one of known values.

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Accept-Ch

    downlink

    Specify what client hints should be included in subsequent requests.

    • downlink

      Problems were found.

      • Option is not one of known values.

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Accept-Ch

    ect

    Specify what client hints should be included in subsequent requests.

    • ect

      Problems were found.

      • Option is not one of known values.

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Accept-Ch

    ua

    Specify what client hints should be included in subsequent requests.

    • ua

      Problems were found.

      • Option is not one of known values.

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Accept-Ch

    ua-full-version

    Specify what client hints should be included in subsequent requests.

    • ua-full-version

      Problems were found.

      • Option is not one of known values.

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Accept-Ch

    ua-platform

    Specify what client hints should be included in subsequent requests.

    • ua-platform

      Problems were found.

      • Option is not one of known values.

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Accept-Ch

    ua-platform-version

    Specify what client hints should be included in subsequent requests.

    • ua-platform-version

      Problems were found.

      • Option is not one of known values.

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Accept-Ch

    ua-arch

    Specify what client hints should be included in subsequent requests.

    • ua-arch

      Problems were found.

      • Option is not one of known values.

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Accept-Ch

    ua-model

    Specify what client hints should be included in subsequent requests.

    • ua-model

      Problems were found.

      • Option is not one of known values.

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Accept-Ch

    ua-mobile

    Specify what client hints should be included in subsequent requests.

    • ua-mobile

      Problems were found.

      • Option is not one of known values.

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Accept-Ch-Lifetime

    30

    Alt-Svc

    h3=":50550"; ma=2592000

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

    • Service

      • h3 - :50550

    • Service

      • ma - 2592000 (30 days)

        Max age for the alternative (seconds).

    Content-Type

    text/html; charset=UTF-8

    The MIME type of this content.

    • Type

      text/html

    • Description

      HTML file

    • Charset

      UTF-8

    Date

    Tue, 14 Jan 2025 14:01:08 GMT

    The date and time that the message was sent.

    Server

    Caddy

    A name for the server.

    Caddy - Description of the server software.

    Server

    nginx

    A name for the server.

    nginx - Description of the server software.

    Problems were detected with this header

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

    Accept-Encoding

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

    • Headers

      • Accept-Encoding
    X-Adblock-Key

    MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBALquDFETXRn0Hr05fUP7EJT77xYnPmRbpMy4vk8KYiHnkNpednjOANJcaXDXcKQJN0nXKZJL7TciJD8AoHXK158CAwEAAQ==_GR7r2TKHBaSvOnoOHhkFRdtuiRWg1elaRGRonz9HvHJ8Q9CjvvpyCdJ+sp/lXfMkMLlpzlDeJedGcMlSwY0Bjg==

    X-Domain

    calculategenius.com

    X-Pcrew-Blocked-Reason

    hosting network

    X-Pcrew-Ip-Organization

    Digital Ocean

    X-Subdomain

    www

    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.