robots.txt parser

HTTP /api/v1/http/robots
Fetch and parse robots.txt — User-agent groups, Disallow/Allow, Sitemap, Crawl-delay.
Try: https://host.com https://checkhost.com https://hostinfo.com https://crypt.tools
Related: HTTP headers Security headers grader Redirect chain tracer SSL certificate inspector robots.txt parser sitemap.xml inspector
https://design-camp.github.com/robots.txt 200 48910 bytes 0 User-agent groups
Raw robots.txt





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  <meta property="twitter:image:height" content="1200">




      <meta name="hostname" content="github.com">



        <meta name="expected-hostname" content="github.com">


  <meta http-equiv="x-pjax-version" content="9afdf6e3d53c057005695da1efe2a59651539000313eb2f94700766f822db321" data-turbo-track="reload">
  <meta http-equiv="x-pjax-csp-version" content="cfa19d4741032294afc1c0a77faade84cdf39ac1886a2341c6b2eb123ca90e53" data-turbo-track="reload">
  <meta http-equiv="x-pjax-css-version" content="fd80f4397e6b366d79cd8ab0cc06c0f64e6a731ebf6ac8fbb538416234459325" data-turbo-track="reload">
  <meta http-equiv="x-pjax-js-version" content="5b1c9dc0c211da39c01ab7a6c440754ab6101b42c3dbf60b6cceb29a1f88bbc8" data-turbo-track="reload">

  <meta name="turbo-cache-control" content="no-preview" data-turbo-transient="">

      <link crossorigin="anonymous" media="all" rel="stylesheet" href="https://github.githubassets.com/assets/github-88fc7764b4deb69a.css" />



      <link rel="canonical" href="https://github.com/login" data-turbo-transient>


    <meta name="turbo-body-classes" content="logged-out env-production page-responsive session-authentication">
  <meta name="disable-turbo" content="false">


  <meta name="browser-stats-url" content="https://api.github.com/_private/browser/stats">


  <meta name="browser-errors-url" content="https://api.github.com/_private/browser/errors">

  <meta name="release" content="1f9a7b0d0bd9aa5395e0e0a3984d9254f37b132d" data-turbo-track="reload">
  <meta name="ui-target" content="full">

  <link rel="mask-icon" href="https://github.githubassets.com/assets/pinned-octocat-093da3e6fa40.svg" color="#000000">
  <link rel="alternate icon" class="js-site-favicon" type="image/png" href="https://github.githubassets.com/favicons/favicon.png">
  <link rel="icon" class="js-site-favicon" type="image/svg+xml" href="https://github.githubassets.com/favicons/favicon.svg" data-base-href="https://github.githubassets.com/favicons/favicon">

<meta name="theme-color" content="#1e2327">
<meta name="color-scheme" content="light dark" />


  <link rel="manifest" href="/manifest.json" crossOrigin="use-credentials">

  </head>

  <body class="logged-out env-production page-responsive session-authentication" style="word-wrap: break-word;" >
    <div data-turbo-body class="logged-out env-production page-responsive session-authentication" style="word-wrap: break-word;" >
      <div id="__primerPortalRoot__" style="z-index: 1000; position: absolute; width: 100%;" data-turbo-permanent></div>
      

    <div class="position-relative header-wrapper js-header-wrapper ">
      <a href="#start-of-content" data-skip-target-assigned="false" class="px-2 tmp-py-4 color-bg-accent-emphasis color-fg-on-emphasis show-on-focus js-skip-to-content">Skip to content</a>

      <span data-view-component="true" class="progress-pjax-loader Progress position-fixed width-full">
    <span style="width: 0%;" data-view-component="true" class="Progress-item progress-pjax-loader-bar left-0 top-0 color-bg-accent-emphasis"></span>
</span>      
      <link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/t7l-bf6f21d7e7a43c35.js" fetchpriority="low" />
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/l7j-2ddd8b435dadae28.js" fetchpriority="low" />
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/mgq-93f58f229b2328b4.js" fetchpriority="low" />
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/bi0-e2f78de823e39ca9.js" fetchpriority="low" />
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/keyboard-shortcuts-dialog-709bddbef650beda.js" fetchpriority="low" />
<link crossorigin="anonymous" media="all" rel="stylesheet" href="https://github.githubassets.com/assets/primer-react-css.7c5f404947919942.module.css" />
<link crossorigin="anonymous" media="all" rel="stylesheet" href="https://github.githubassets.com/assets/keyboard-shortcuts-dialog.37520a727bb697bd.module.css" />

<react-partial
  partial-name="keyboard-shortcuts-dialog"
  data-ssr="false"
  data-attempted-ssr="false"
  data-react-profiling="false"
>
  
  <script type="application/json" data-target="react-partial.embeddedData">{"props":{"docsUrl":"https://docs.github.com/get-started/accessibility/keyboard-shortcuts"}}</script>
  <div data-target="react-partial.reactRoot"></div>
</react-partial>





      

          
          <div class="authentication-header-page" role="banner">

</div>


      <div hidden="hidden" data-view-component="true" class="js-stale-session-flash stale-session-flash flash flash-warn flash-full">
  
        <svg aria-hidden="true" data-component="Octicon" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-alert">
    <path d="M6.457 1.047c.659-1.234 2.427-1.234 3.086 0l6.082 11.378A1.75 1.75 0 0 1 14.082 15H1.918a1.75 1.75 0 0 1-1.543-2.575Zm1.763.707a.25.25 0 0 0-.44 0L1.698 13.132a.25.25 0 0 0 .22.368h12.164a.25.25 0 0 0 .22-.368Zm.53 3.996v2.5a.75.75 0 0 1-1.5 0v-2.5a.75.75 0 0 1 1.5 0ZM9 11a1 1 0 1 1-2 0 1 1 0 0 1 2 0Z"></path>
</svg>
        <span class="js-stale-session-flash-signed-in" hidden>You signed in with another tab or window. <a class="Link--inTextBlock" href="">Reload</a> to refresh your session.</span>
        <span class="js-stale-session-flash-signed-out" hidden>You signed out in another tab or window. <a class="Link--inTextBlock" href="">Reload</a> to refresh your session.</span>
        <span class="js-stale-session-flash-switched" hidden>You switched accounts on another tab or window. <a class="Link--inTextBlock" href="">Reload</a> to refresh your session.</span>

    <button id="icon-button-2ba94fef-4871-4ddc-bcd5-3d2ff82f5a05" aria-labelledby="tooltip-4e642629-96a3-4121-941f-09d79d7bd2ab" type="button" data-view-component="true" class="Button Button--iconOnly Button--invisible Button--medium flash-close js-flash-close">  <svg aria-hidden="true" data-component="Octicon" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-x Button-visual">
    <path d="M3.72 3.72a.75.75 0 0 1 1.06 0L8 6.94l3.22-3.22a.749.749 0 0 1 1.275.326.749.749 0 0 1-.215.734L9.06 8l3.22 3.22a.749.749 0 0 1-.326 1.275.749.749 0 0 1-.734-.215L8 9.06l-3.22 3.22a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042L6.94 8 3.72 4.78a.75.75 0 0 1 0-1.06Z"></path>
</svg>
</button><tool-tip id="tooltip-4e642629-96a3-4121-941f-09d79d7bd2ab" for="icon-button-2ba94fef-4871-4ddc-bcd5-3d2ff82f5a05" popover="manual" data-direction="s" data-type="label" data-view-component="true" class="sr-only position-absolute">Dismiss alert</tool-tip>


  
</div>
    </div>

  <div id="start-of-content" class="show-on-focus"></div>









    






  <div
    class="application-main "
    data-commit-hovercards-enabled
    data-discussion-hovercards-enabled
    data-issue-and-pr-hovercards-enabled
    data-project-hovercards-enabled
  >
      <main>
        

<div data-test-selector="login-standard-view" data-hpc="true" class="authentication ">
    <div class="authentication-header ">
            <link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/primer-react-050aafaffcbc0f54.js" fetchpriority="low" />
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/ncx-9a860680a5f230b9.js" fetchpriority="low" />
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/c5-248ebd89895e674d.js" fetchpriority="low" />
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/sessions-auth-header-f51d9d4cbd776c49.js" fetchpriority="low" />
<link crossorigin="anonymous" media="all" rel="stylesheet" href="https://github.githubassets.com/assets/primer-react-css.7c5f404947919942.module.css" />
<link crossorigin="anonymous" media="all" rel="stylesheet" href="https://github.githubassets.com/assets/sessions-auth-header.fc26d641d2d89dc7.module.css" />

<react-partial
  partial-name="sessions-auth-header"
  data-ssr="true"
  data-attempted-ssr="true"
  data-react-profiling="false"
>
  
  <script type="application/json" data-target="react-partial.embeddedData">{"props":{"variant":"github","avatarUrl":null,"userName":null,"title":"Sign in to GitHub","description":null}}</script>
  <div data-target="react-partial.reactRoot"><div class="SessionsAuthHeader-module__authFormHeader__S9PBN"><div class="SessionsAuthHeader-module__authFormHeaderIcon__NP4aI"><div class="SessionsAuthHeader-module__authFormAvatarWrapperStatic__YE9pe"><svg data-component="Octicon" aria-hidden="true" focusable="false" class="octicon octicon-mark-github SessionsAuthHeader-module__avatarCoinGithub__n0H61" viewBox="0 0 24 24" width="48" height="48" fill="currentColor" display="inline-block" overflow="visible" style="vertical-align:text-bottom"><path d="M10.226 17.284c-2.965-.36-5.054-2.493-5.054-5.256 0-1.123.404-2.336 1.078-3.144-.292-.741-.247-2.314.09-2.965.898-.112 2.111.36 2.83 1.01.853-.269 1.752-.404 2.853-.404 1.1 0 1.999.135 2.807.382.696-.629 1.932-1.1 2.83-.988.315.606.36 2.179.067 2.942.72.854 1.101 2 1.101 3.167 0 2.763-2.089 4.852-5.098 5.234.763.494 1.28 1.572 1.28 2.807v2.336c0 .674.561 1.056 1.235.786 4.066-1.55 7.255-5.615 7.255-10.646C23.5 6.188 18.334 1 11.978 1 5.62 1 .5 6.188.5 12.545c0 4.986 3.167 9.12 7.435 10.669.606.225 1.19-.18 1.19-.786V20.63a2.9 2.9 0 0 1-1.078.224c-1.483 0-2.359-.808-2.987-2.313-.247-.607-.517-.966-1.034-1.033-.27-.023-.359-.135-.359-.27 0-.27.45-.471.898-.471.652 0 1.213.404 1.797 1.235.45.651.921.943 1.483.943.561 0 .92-.202 1.437-.719.382-.381.674-.718.944-.943"></path></svg></div></div><div class="SessionsAuthHeader-module__authFormHeaderContent__wtmqP"><h1 class="SessionsAuthHeader-module__authFormHeaderTitle__rVSNG">Sign in to GitHub</h1></div></div></div>
</react-partial>



    </div>

    <div class="authentication-body authentication-body--with-form new-session">
          <div id="js-flash-container" class="flash-container" data-turbo-replace>




  <template class="js-flash-template">
    
<div class="flash flash-full   {{ className }}">
  <div >
    <button autofocus class="flash-close js-flash-close" type="button" aria-label="Dismiss this message">
      <svg aria-hidden="true" data-component="Octicon" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-x">
    <path d="M3.72 3.72a.75.75 0 0 1 1.06 0L8 6.94l3.22-3.22a.749.749 0 0 1 1.275.326.749.749 0 0 1-.215.734L9.06 8l3.22 3.22a.749.749 0 0 1-.326 1.275.749.749 0 0 1-.734-.215L8 9.06l-3.22 3.22a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042L6.94 8 3.72 4.78a.75.75 0 0 1 0-1.06Z"></path>
</svg>
    </button>
    <div aria-atomic="true" role="alert" class="js-flash-alert">
      
      <div>{{ message }}</div>

    </div>
  </div>
</div>
  </template>
</div>


    <div class="flash js-transform-notice" hidden>
      <button class="flash-close js-flash-close" type="button" aria-label="Dismiss this message">
        <svg aria-label="Dismiss" role="img" data-component="Octicon" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-x">
    <path d="M3.72 3.72a.75.75 0 0 1 1.06 0L8 6.94l3.22-3.22a.749.749 0 0 1 1.275.326.749.749 0 0 1-.215.734L9.06 8l3.22 3.22a.749.749 0 0 1-.326 1.275.749.749 0 0 1-.734-.215L8 9.06l-3.22 3.22a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042L6.94 8 3.72 4.78a.75.75 0 0 1 0-1.06Z"></path>
</svg>
      </button>
    </div>
      
<!-- '"` --><!-- </textarea></xmp> --></option></form><form data-turbo="false" action="/session" accept-charset="UTF-8" method="post"><input type="hidden" data-csrf="true" name="authenticity_token" value="tRrMRacJJQgGDD8RTn0HguEyOxIG1JbZhD27K+o7UgX0ZzT5ggrNVZUvS6meObk4V1UH5jQD+5jaSOB/FcXhHQ==" />  <div>

  <input type="hidden" name="add_account" id="add_account" autocomplete="off" class="form-control" />

    <label for="login_field">
      Username or email address
    </label>
    <input type="text" name="login" id="login_field" autocapitalize="off" autocorrect="off" autocomplete="username" class="form-control  js-login-field" autofocus="autofocus" required="required" />
  </div>


  <div class="position-relative">
    <label for="password">
      Password
    </label>
    <input type="password" name="password" id="password" class="form-control form-control js-password-field" autocomplete="current-password" required="required" />
    <a class="label-link position-absolute top-0 right-0" id="forgot-password" href="/password_reset">Forgot password?</a>
    
<input type="hidden" name="webauthn-conditional" value="undefined">
<input type="hidden" class="js-support" name="javascript-support" value="unknown">
<input type="hidden" class="js-webauthn-support" name="webauthn-support" value="unknown">
<input type="hidden" class="js-webauthn-iuvpaa-support" name="webauthn-iuvpaa-support" value="unknown">
<input type="hidden" name="return_to" id="return_to" value="https://github.com/pages/auth?nonce=ca71f8ae-2658-4e92-8ffa-71962f58ee1a&amp;page_id=77952115&amp;path=L3JvYm90cy50eHQ" autocomplete="off" class="form-control" />
<input type="hidden" name="allow_signup" id="allow_signup" autocomplete="off" class="form-control" />
<input type="hidden" name="client_id" id="client_id" autocomplete="off" class="form-control" />
<input type="hidden" name="integration" id="integration" autocomplete="off" class="form-control" />
<input class="form-control" type="text" name="required_field_9a64" hidden="hidden" />
<input class="form-control" type="hidden" name="timestamp" value="1789520760986" />
<input class="form-control" type="hidden" name="timestamp_secret" value="2dd8cfea7dde7b5078b4a60fd9d8c908215b49963031f4bad41ad44fe5e31743" />


  </div>

  <div>
    <input type="submit" name="commit" value="Sign in" class="btn btn-primary btn-block js-sign-in-button" data-disable-with="Signing in…" data-signin-label="Sign in" data-sso-label="Sign in with your identity provider" development="false" disable-emu-sso="false" />
  </div>
</form>  <webauthn-status class="js-webauthn-login-emu-control">
      <include-fragment data-target="webauthn-status.fragment" data-src="/u2f/login_fragment?disable_signup=false&amp;is_emu_login=false&amp;mobile_ios=false&amp;return_to=https%3A%2F%2Fgithub.com%2Fpages%2Fauth%3Fnonce%3Dca71f8ae-2658-4e92-8ffa-71962f58ee1a%26page_id%3D77952115%26path%3DL3JvYm90cy50eHQ" data-nonce="v2:c0544342-5fb8-a246-33ad-c7f201d4db70" data-view-component="true">
  
  <div data-show-on-forbidden-error hidden>
    <div class="Box">
  <div class="blankslate-container">
    <div data-view-component="true" class="blankslate blankslate-spacious color-bg-default rounded-2">
      

      <h3 data-view-component="true" class="blankslate-heading">        Uh oh!
</h3>
      <p data-view-component="true" class="blankslate-description">        <p class="color-fg-muted my-2 mb-2 ws-normal">There was an error while loading. <a class="Link--inTextBlock" data-turbo="false" href="" aria-label="Please reload this page">Please reload this page</a>.</p>
</p>

</div>  </div>
</div>  </div>
</include-fragment>
  </webauthn-status>



    </div>

    <div class="authentication-footer ">
                <div class="authentication-login-footer-links">
          <p class="mt-1 mb-0 p-0">
            New to GitHub?
              <a data-ga-click="Sign in, switch to sign up" data-hydro-click="{&quot;event_type&quot;:&quot;authentication.click&quot;,&quot;payload&quot;:{&quot;location_in_page&quot;:&quot;sign in switch to sign up&quot;,&quot;repository_id&quot;:null,&quot;auth_type&quot;:&quot;SIGN_UP&quot;,&quot;originating_url&quot;:&quot;https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpages%2Fauth%3Fnonce%3Dca71f8ae-2658-4e92-8ffa-71962f58ee1a%26page_id%3D77952115%26path%3DL3JvYm90cy50eHQ&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="3f1b61c73b98baf6044ab14eabe33bdaf90fd920126579bdedd7d955fcace176" href="/signup?return_to=https%3A%2F%2Fgithub.com%2Fpages%2Fauth%3Fnonce%3Dca71f8ae-2658-4e92-8ffa-71962f58ee1a%26page_id%3D77952115%26path%3DL3JvYm90cy50eHQ&amp;source=login">Create an account</a>
          </p>
          </div>
            <webauthn-subtle class="js-webauthn-subtle" hidden>
    <p class="mb-0 mt-0 js-webauthn-subtle-emu-control">
      <button data-action="click:webauthn-subtle#prompt" type="button" data-view-component="true" class="Button--link Button--medium Button">  <span class="Button-content">
    <span class="Button-label">Sign in with a passkey</span>
  </span>
</button>
    </p>
  </webauthn-subtle>


    </div>
</div>
      </main>
  </div>

          <div class="footer-session-authentication" role="contentinfo">
    <ul class="footer-session-authentication-links">
        <li>
          <a data-analytics-event="{&quot;category&quot;:&quot;Footer&quot;,&quot;action&quot;:&quot;go to Terms&quot;,&quot;label&quot;:&quot;text:terms&quot;}" href="https://docs.github.com/site-policy/github-terms/github-terms-of-service" data-view-component="true" class="Link--secondary Link">Terms</a>
        </li>

        <li>
          <a data-analytics-event="{&quot;category&quot;:&quot;Footer&quot;,&quot;action&quot;:&quot;go to privacy&quot;,&quot;label&quot;:&quot;text:privacy&quot;}" href="https://docs.github.com/site-policy/privacy-policies/github-privacy-statement" data-view-component="true" class="Link--secondary Link">Privacy</a>
        </li>

        <li>
          <a data-analytics-event="{&quot;category&quot;:&quot;Footer&quot;,&quot;action&quot;:&quot;go to docs&quot;,&quot;label&quot;:&quot;text:docs&quot;}" href="https://docs.github.com" data-view-component="true" class="Link--secondary Link">Docs</a>
        </li>

        <li>
            <a data-analytics-event="{&quot;category&quot;:&quot;Footer&quot;,&quot;action&quot;:&quot;go to contact&quot;,&quot;label&quot;:&quot;text:contact&quot;}" href="https://support.github.com" data-view-component="true" class="Link--secondary Link">Contact GitHub Support</a>
        </li>

          
<li class="mx-2" >
  <cookie-consent-link>
    <button
      type="button"
      class="Link--secondary underline-on-hover border-0 p-0 color-bg-transparent"
      data-action="click:cookie-consent-link#showConsentManagement"
      data-analytics-event="{&quot;location&quot;:&quot;footer&quot;,&quot;action&quot;:&quot;cookies&quot;,&quot;context&quot;:&quot;subfooter&quot;,&quot;tag&quot;:&quot;link&quot;,&quot;label&quot;:&quot;cookies_link_subfooter_footer&quot;}"
    >
      Manage cookies
    </button>
  </cookie-consent-link>
</li>

  <li class="mx-2">
    <cookie-consent-link>
      <button
        type="button"
        class="Link--secondary underline-on-hover border-0 p-0 color-bg-transparent text-left"
        data-action="click:cookie-consent-link#showConsentManagement"
        data-analytics-event="{&quot;location&quot;:&quot;footer&quot;,&quot;action&quot;:&quot;dont_share_info&quot;,&quot;context&quot;:&quot;subfooter&quot;,&quot;tag&quot;:&quot;link&quot;,&quot;label&quot;:&quot;dont_share_info_link_subfooter_footer&quot;}"
      >
        Do not share my personal information
      </button>
    </cookie-consent-link>
  </li>

    </ul>
  </div>


    <ghcc-consent id="ghcc" class="position-fixed bottom-0 left-0" style="z-index: 999999"
      data-locale="en"
      data-initial-cookie-consent-allowed=""
      data-cookie-consent-required="true"
    ></ghcc-consent>




  <div id="ajax-error-message" class="ajax-error-message flash flash-error" hidden>
    <svg aria-hidden="true" data-component="Octicon" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-alert">
    <path d="M6.457 1.047c.659-1.234 2.427-1.234 3.086 0l6.082 11.378A1.75 1.75 0 0 1 14.082 15H1.918a1.75 1.75 0 0 1-1.543-2.575Zm1.763.707a.25.25 0 0 0-.44 0L1.698 13.132a.25.25 0 0 0 .22.368h12.164a.25.25 0 0 0 .22-.368Zm.53 3.996v2.5a.75.75 0 0 1-1.5 0v-2.5a.75.75 0 0 1 1.5 0ZM9 11a1 1 0 1 1-2 0 1 1 0 0 1 2 0Z"></path>
</svg>
    <button type="button" class="flash-close js-ajax-error-dismiss" aria-label="Dismiss error">
      <svg aria-hidden="true" data-component="Octicon" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-x">
    <path d="M3.72 3.72a.75.75 0 0 1 1.06 0L8 6.94l3.22-3.22a.749.749 0 0 1 1.275.326.749.749 0 0 1-.215.734L9.06 8l3.22 3.22a.749.749 0 0 1-.326 1.275.749.749 0 0 1-.734-.215L8 9.06l-3.22 3.22a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042L6.94 8 3.72 4.78a.75.75 0 0 1 0-1.06Z"></path>
</svg>
    </button>
    You can’t perform that action at this time.
  </div>

    <template id="site-details-dialog">
  <details class="details-reset details-overlay details-overlay-dark lh-default color-fg-default hx_rsm" open>
    <summary role="button" aria-label="Close dialog"></summary>
    <details-dialog class="Box Box--overlay d-flex flex-column anim-fade-in fast hx_rsm-dialog hx_rsm-modal">
      <button class="Box-btn-octicon m-0 btn-octicon position-absolute right-0 top-0" type="button" aria-label="Close dialog" data-close-dialog>
        <svg aria-hidden="true" data-component="Octicon" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-x">
    <path d="M3.72 3.72a.75.75 0 0 1 1.06 0L8 6.94l3.22-3.22a.749.749 0 0 1 1.275.326.749.749 0 0 1-.215.734L9.06 8l3.22 3.22a.749.749 0 0 1-.326 1.275.749.749 0 0 1-.734-.215L8 9.06l-3.22 3.22a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042L6.94 8 3.72 4.78a.75.75 0 0 1 0-1.06Z"></path>
</svg>
      </button>
      <div class="octocat-spinner tmp-my-6 js-details-dialog-spinner"></div>
    </details-dialog>
  </details>
</template>

    <div class="Popover js-hovercard-content position-absolute" style="display: none; outline: none;">
  <div class="Popover-message Popover-message--bottom-left Popover-message--large Box color-shadow-large" style="width:360px;">
  </div>
</div>

    <template id="snippet-clipboard-copy-button">
  <div class="zeroclipboard-container position-absolute right-0 top-0">
    <clipboard-copy aria-label="Copy code to clipboard" class="ClipboardButton btn js-clipboard-copy m-2 p-0" data-copy-feedback="Copied!" data-tooltip-direction="w">
      <svg aria-hidden="true" data-component="Octicon" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-copy js-clipboard-copy-icon m-2 tmp-m-2">
    <path d="M0 6.75C0 5.784.784 5 1.75 5h1.5a.75.75 0 0 1 0 1.5h-1.5a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 0 0 .25-.25v-1.5a.75.75 0 0 1 1.5 0v1.5A1.75 1.75 0 0 1 9.25 16h-7.5A1.75 1.75 0 0 1 0 14.25Z"></path><path d="M5 1.75C5 .784 5.784 0 6.75 0h7.5C15.216 0 16 .784 16 1.75v7.5A1.75 1.75 0 0 1 14.25 11h-7.5A1.75 1.75 0 0 1 5 9.25Zm1.75-.25a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 0 0 .25-.25v-7.5a.25.25 0 0 0-.25-.25Z"></path>
</svg>
      <svg aria-hidden="true" data-component="Octicon" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-check js-clipboard-check-icon color-fg-success d-none m-2 tmp-m-2">
    <path d="M13.78 4.22a.75.75 0 0 1 0 1.06l-7.25 7.25a.75.75 0 0 1-1.06 0L2.22 9.28a.751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018L6 10.94l6.72-6.72a.75.75 0 0 1 1.06 0Z"></path>
</svg>
    </clipboard-copy>
  </div>
</template>
<template id="snippet-clipboard-copy-button-unpositioned">
  <div class="zeroclipboard-container">
    <clipboard-copy aria-label="Copy code to clipboard" class="ClipboardButton btn btn-invisible js-clipboard-copy m-2 p-0 d-flex flex-justify-center flex-items-center" data-copy-feedback="Copied!" data-tooltip-direction="w">
      <svg aria-hidden="true" data-component="Octicon" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-copy js-clipboard-copy-icon">
    <path d="M0 6.75C0 5.784.784 5 1.75 5h1.5a.75.75 0 0 1 0 1.5h-1.5a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 0 0 .25-.25v-1.5a.75.75 0 0 1 1.5 0v1.5A1.75 1.75 0 0 1 9.25 16h-7.5A1.75 1.75 0 0 1 0 14.25Z"></path><path d="M5 1.75C5 .784 5.784 0 6.75 0h7.5C15.216 0 16 .784 16 1.75v7.5A1.75 1.75 0 0 1 14.25 11h-7.5A1.75 1.75 0 0 1 5 9.25Zm1.75-.25a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 0 0 .25-.25v-7.5a.25.25 0 0 0-.25-.25Z"></path>
</svg>
      <svg aria-hidden="true" data-component="Octicon" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-check js-clipboard-check-icon color-fg-success d-none">
    <path d="M13.78 4.22a.75.75 0 0 1 0 1.06l-7.25 7.25a.75.75 0 0 1-1.06 0L2.22 9.28a.751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018L6 10.94l6.72-6.72a.75.75 0 0 1 1.06 0Z"></path>
</svg>
    </clipboard-copy>
  </div>
</template>




    </div>
    <div id="js-global-screen-reader-notice" class="sr-only mt-n1" aria-live="polite" aria-atomic="true" ></div>
    <div id="js-global-screen-reader-notice-assertive" class="sr-only mt-n1" aria-live="assertive" aria-atomic="true"></div>
  </body>
</html>


  <microsoft-analytics>
  </microsoft-analytics>
Common questions

Is robots.txt parser free?
Yes — every tool is free on the web with a 200/hour rate limit per IP. The matching API endpoint /api/v1/http/robots is free up to 100 requests/hour, no key required.
Where does the data come from?
Real-time probes against authoritative sources (DNS root, RIRs, registries, the target server itself), plus partner data feeds from hostinfo.com (GeoIP/ASN) and hostcheck.com (reputation).
How fresh are the results?
Live by default. Cached for 5 minutes to make repeat queries instant; pass ?nocache=1 for a forced refresh.
Can I run this from the command line?
Yes — every tool ships with a copy-as-curl. There's also an official CLI: host.tools http robots YOUR_INPUT.
Can I monitor results over time?
Pro tier lets you schedule any tool to run every 1/5/15/60 min and alert on diff. See monitors.
host.tools Pro
Run robots.txt parser on a schedule. Get pinged when it changes.

Pro gets you bulk lookups, monitors, webhook alerts, history, exports and 10,000 API calls/day. $19/mo.
See pricing Tour monitors
✓Schedule any tool — every 1, 5, 15, 60 min
✓Diff against last run, alert on change
✓Webhook + email + Slack + PagerDuty + OpsGenie
✓Bulk CSV upload, 1,000 inputs per job
✓Export results as CSV / NDJSON / Excel
✓90-day history, comparison view