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
546 ms
  • https://www.whatismesothelioma.top/

    Status
    525
    Message
    Unknown
    Time
    546 ms
  • IP
    172.66.40.193
  • Timing

    Wait

    0 ms

    DNS

    345 ms

    TCP

    3 ms

    Request

    0 ms

    First Byte

    191 ms

    Download

    0 ms

    Total

    546 ms

  • HTTP Headers

    Date

    Tue, 04 Mar 2025 14:56:28 GMT

    The date and time that the message was sent.

    Content-Type

    text/plain; charset=UTF-8

    The MIME type of this content.

    • Type

      text/plain

    • Description

      text file

    • Charset

      UTF-8

    Content-Length

    15

    The length of the response body in octets (8-bit bytes).

    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.

    Report-To

    {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=TTayf3ik1roFfBbG0tkR7Ejpifu27FxMG6L9spGlaFXOruCfgsI%2F%2BLoc44ADzJQ%2Bfw3tsoz1wCZcN9K67zizfSOmqWxPWcYmWlXb3uG75j5lCYekQBC6%2BimzXQu3BTKDXNaKe%2B3XvJgihR7q"}],"group":"cf-nel","max_age":604800}

    Report to.

    • Endpoints

      • {"url":"https://a.nel.cloudflare.com/report/v4?s=TTayf3ik1roFfBbG0tkR7Ejpifu27FxMG6L9spGlaFXOruCfgsI%2F%2BLoc44ADzJQ%2Bfw3tsoz1wCZcN9K67zizfSOmqWxPWcYmWlXb3uG75j5lCYekQBC6%2BimzXQu3BTKDXNaKe%2B3XvJgihR7q"}
    • Group

      cf-nel

    • Max_age

      604800

    Nel

    {"success_fraction":0,"report_to":"cf-nel","max_age":604800}

    Configure network request logging.

    • Success_fraction

      0
    • Report_to

      cf-nel

    • Max_age

      604800

    Strict-Transport-Security

    max-age=31536000; includeSubDomains; preload

    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).

    • includesubdomains

      max-age applies to subdomains as well.

    • preload

      Use Google's preloading strict transport security.

    X-Content-Type-Options

    nosniff

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

    nosniff - Block requests if type 'style' or 'script'.

    X-Frame-Options

    SAMEORIGIN

    Clickjacking protection.

    SAMEORIGIN - No rendering if origin mismatch.

    Referrer-Policy

    same-origin

    Controls what referrer information is sent with requests.

    same-origin - Send the full referrer for same origin requests, and nothing for cross-origin.

    Cache-Control

    private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0

    Inform all caching mechanisms from server to client whether they may cache this object.

    • private

      May only be stored by a browser cache.

    • Max-Age

      0

      The time a browser should remember a site can only be accessed with https (seconds).

    • no-store

      May not be stored by any cache.

    • no-cache

      May be stored by any cache but must be validated by the server.

    • must-revalidate

      Stale caches must not be used.

    • post-check

      0

      Problems were found.

      • Option is not one of known values.
    • pre-check

      0

      Problems were found.

      • Option is not one of known values.
    Expires

    Thu, 01 Jan 1970 00:00:01 GMT

    The time at which the response is considered stale.

    Server

    cloudflare

    A name for the server.

    cloudflare - Description of the server software.

    Cf-Ray

    91b238731c7ef788-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).

    Server-Timing

    cfL4;desc="?proto=TCP&rtt=1586&min_rtt=1276&rtt_var=700&sent=4&recv=5&lost=0&retrans=0&sent_bytes=2838&recv_bytes=713&delivery_rate=2269592&cwnd=136&unsent_bytes=0&cid=d04e273d690202a1&ts=197&x=0"

    Server metrics for the request.

    • Cfl4