diff --git a/source b/source
index d0460f2fdd3..46ad8842459 100644
--- a/source
+++ b/source
@@ -2372,6 +2372,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
      <li><dfn data-x-href="https://infra.spec.whatwg.org/#xlink-namespace">XLink namespace</dfn></li>
      <li><dfn data-x-href="https://infra.spec.whatwg.org/#xml-namespace">XML namespace</dfn></li>
      <li><dfn data-x-href="https://infra.spec.whatwg.org/#xmlns-namespace">XMLNS namespace</dfn></li>
+     <li><dfn data-x-href="https://infra.spec.whatwg.org/#success">success</dfn></li>
     </ul>
    </dd>
 
@@ -2692,6 +2693,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
      <li><dfn data-x-href="https://fetch.spec.whatwg.org/#reserve-deferred-fetch-quota">reserve deferred fetch quota</dfn></li>
      <li><dfn data-x-href="https://fetch.spec.whatwg.org/#potentially-free-deferred-fetch-quota">potentially free deferred fetch quota</dfn></li>
      <li><dfn data-x-href="https://fetch.spec.whatwg.org/#is-offline">is offline</dfn></li>
+     <li><dfn data-x-href="https://fetch.spec.whatwg.org/#navigation-tao-check">navigation TAO check</dfn></li>
      <li>
       <dfn data-x="concept-response"
       data-x-href="https://fetch.spec.whatwg.org/#concept-response">response</dfn> and its
@@ -113073,12 +113075,32 @@ location.href = '#foo';</code></pre>
      info">extracting the full timing info</span> from <var>navigationParams</var>'s <span
      data-x="navigation-params-fetch-controller">fetch controller</span>.</p></li>
 
-     <li><p>Let <var>redirectCount</var> be 0 if <var>navigationParams</var>'s <span
-     data-x="navigation-params-response">response</span>'s <span
-     data-x="concept-response-has-cross-origin-redirects">has cross-origin redirects</span> is
-     true; otherwise <var>navigationParams</var>'s <span
-     data-x="navigation-params-request">request</span>'s <span
-     data-x="concept-request-redirect-count">redirect count</span>.</p></li>
+     <li><p>Let <var>redirectCount</var> be 0.</p></li>
+
+     <li>
+      <p>If <var>navigationParams</var>'s <span
+      data-x="navigation-params-response">response</span>'s <span
+      data-x="concept-response-has-cross-origin-redirects">has cross-origin redirects</span> is
+      false, or all of the following are true:</p>
+
+      <ul>
+       <li><p><var>navigationParams</var>'s <span
+       data-x="navigation-params-request">request</span>'s <span
+       data-x="concept-request-client">client</span> is null, or <var>navigationParams</var>'s
+       <span data-x="navigation-params-request">request</span>'s <span
+       data-x="concept-request-referrer">referrer</span> is not "<code
+       data-x="">no-referrer</code>", and</p></li>
+
+       <li><p><span data-x="navigation TAO check">navigation TAO check</span> given
+       <var>navigationParams</var>'s <span data-x="navigation-params-response">response</span>
+       and <var>navigationParams</var>'s <span data-x="navigation-params-origin">origin</span>
+       returns <span>success</span>,</p></li>
+      </ul>
+
+      <p>then set <var>redirectCount</var> to <var>navigationParams</var>'s <span
+      data-x="navigation-params-request">request</span>'s <span
+      data-x="concept-request-redirect-count">redirect count</span>.</p>
+     </li>
 
      <li><p><span>Create the navigation timing entry</span> for <var>document</var>, given
      <var>fullTimingInfo</var>, <var>redirectCount</var>, <var>navigationTimingType</var>,