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
840 ms
  • IP
    104.21.81.243
    View Map

  • Timing

    Wait

    0 ms

    DNS

    13 ms

    TCP

    2 ms

    Request

    0 ms

    First Byte

    817 ms

    Download

    0 ms

    Total

    840 ms

  • HTTP Headers

    Date

    Mon, 30 Dec 2024 16:17:49 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

    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.

    X-Powered-By

    PHP/8.3.15

    The software powering this site.

    Link

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

    Used to express a typed relationship with another resource.

    Link

    <https://mrblog.top/wp-json/wp/v2/posts/369>; rel="alternate"; title="JSON"; type="application/json"

    Used to express a typed relationship with another resource.

    Link

    <https://mrblog.top/?p=369>; rel=shortlink

    Used to express a typed relationship with another resource.

    Vary

    Accept-Encoding

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

    • Headers

      • Accept-Encoding
    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.

    X-Xss-Protection

    1; mode=block

    Cross-site scripting (XSS) filter.

    • 1

      Enable XSS filtering.

    • Mode

      Filtering mode.

      • block - Block page if XSS is detected.
    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.

    Content-Security-Policy

    upgrade-insecure-requests

    The content security policy allows the server to determine what resources the user is allowed to load.

    upgrade-insecure-requests - Treat insecure URLs as though they are secure.

    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.

    Cf-Cache-Status

    DYNAMIC

    Encoded information about your request from Cloudflare.

    DYNAMIC - This is not cached by default.

    Report-To

    {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=oqZCUr3B%2FymKhXs0bq2Z8ZhlLBFnRAAQ3%2BiCwDX37Hm0Xd933VyeAQ2LdGQAi7ALvcXIgZwd1GYohtsz8WNZ%2BOSSuBlkaObY%2BmB4leprdeWePuuwzOnCtWjmhaCs"}],"group":"cf-nel","max_age":604800}

    Report to.

    • Endpoints

      • {"url":"https://a.nel.cloudflare.com/report/v4?s=oqZCUr3B%2FymKhXs0bq2Z8ZhlLBFnRAAQ3%2BiCwDX37Hm0Xd933VyeAQ2LdGQAi7ALvcXIgZwd1GYohtsz8WNZ%2BOSSuBlkaObY%2BmB4leprdeWePuuwzOnCtWjmhaCs"}

    • 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

    Server

    cloudflare

    A name for the server.

    cloudflare - Description of the server software.

    Cf-Ray

    8fa357992fff8c51-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=1592&min_rtt=1480&rtt_var=635&sent=4&recv=5&lost=0&retrans=0&sent_bytes=2820&recv_bytes=812&delivery_rate=1956756&cwnd=250&unsent_bytes=0&cid=b7195d06ac2cdd0b&ts=824&x=0"

    Server metrics for the request.

    • Cfl4