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
544 ms
  • https://onhour.ru/

    Status
    200
    Message
    OK
    Time
    544 ms
  • IP
    176.53.162.79
  • Timing

    Wait

    1 ms

    DNS

    33 ms

    TCP

    129 ms

    Request

    0 ms

    First Byte

    128 ms

    Download

    1 ms

    Total

    544 ms

  • HTTP Headers

    Server

    nginx/1.20.2

    A name for the server.

    • Server

      nginx

      Description of the server software.

    • Version

      1.20.2

      Version number.

    Date

    Sat, 21 Mar 2026 03:48:11 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

    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.

    X-Powered-By

    PHP/7.2.24-0ubuntu0.18.04.17

    The software powering this site.

    Expires

    Sat, 21 Mar 2026 06:48:11 GMT

    The time at which the response is considered stale.

    Cache-Control

    public, max-age=10800

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

    • public

      May be stored by any cache.

    • Max-Age

      10800 (3 hours)

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

    Cache-Control

    public, max-age=3600, must-revalidate

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

    • public

      May be stored by any cache.

    • Max-Age

      3600 (1 hour)

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

    • must-revalidate

      Stale caches must not be used.

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    X-Cache

    HIT

    Indicates whether a cache was used to server this response.

    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-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'.

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    X-Frame-Options

    SAMEORIGIN

    Clickjacking protection.

    SAMEORIGIN - No rendering if origin mismatch.

    X-Frame-Options

    DENY

    Clickjacking protection.

    DENY - No rendering within frame.

    Problems were detected with this header

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

    Problems were detected with this header

    • Duplicate header. There is another header with this name and this may cause problems.
    Referrer-Policy

    strict-origin-when-cross-origin

    Controls what referrer information is sent with requests.

    strict-origin-when-cross-origin - Send the full referrer for a same origin request. Send the origin only for cross-domain requests where the protocol level is the same. Otherwise do not send the referrer.

    Strict-Transport-Security

    max-age=31536000; includeSubDomains

    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.

    Set-Cookie

    PHPSESSID=003f71913545715786aad318baff33a9; path=/;HttpOnly;Secure;SameSite=Strict

    A cookie sent from the server to be set on the client

    • PHPSESSID

      003f71913545715786aad318baff33a9

      Cookie name and value.

    • Path

      /

      The client will only send the cookie when requesting this path, or subdirectories, from the server.

    • HttpOnly

      Prevents access to the cookie through JavaScript.

    • Secure

      The cookie is only sent when requesting from a https domain.

    • Samesite

      Strict

      Cookie only sent for same-site requests.

    X-Ua-Compatible

    IE=edge

    Recommends the preferred rendering engine (often a backward-compatibility mode) to use to display the content.

    IE=edge - Use highest level rendering.

    Content-Security-Policy

    default-src 'self' https: data: 'unsafe-inline' 'unsafe-eval';

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

    • Default-Src

      Fallback for all fetches.

      • 'self'
      • https:
      • data:
      • 'unsafe-inline'
      • 'unsafe-eval'
    Permissions-Policy

    geolocation=(), microphone=(), camera=()

    Enable and disable browser features.

    • geolocation

      Control access to geo location API.

      • () - Feature is disabled.
    • microphone

      Control access to microphone device.

      • () - Feature is disabled.
    • camera

      Control access to camera.

      • () - Feature is disabled.
    Last-Modified

    Tue, 10 Mar 2026 10:14:47 GMT

    The last modified date for the requested object.

    Content-Language

    ru

    The natural language or languages of the intended audience for the enclosed content.

    ru - Russian

    X-Robots-Tag

    index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1

    Specify how the resource is shown in search results.

    • Agent

      index, follow, max-snippet

      Settings apply to this user agent.

    • -1

      Problems were found.

      • Option is not one of known values.
    • max-image-preview:large

      Problems were found.

      • Option is not one of known values.
    • max-video-preview:-1

      Problems were found.

      • Option is not one of known values.
    Link

    </fonts/main.woff2>; rel=preload; as=font; crossorigin

    Used to express a typed relationship with another resource.

    • Link

      /fonts/main.woff2

      • rel - preload
      • as - font
      • crossorigin