diff --git a/src/components/seo.jsx b/src/components/seo.jsx
index 428af52b5..58d6149a2 100644
--- a/src/components/seo.jsx
+++ b/src/components/seo.jsx
@@ -102,12 +102,12 @@
        <script src="https://cdn.cookielaw.org/scripttemplates/otSDKStub.js" type="text/javascript" charset="UTF-8" data-domain-script="1cef3369-6d07-4928-b977-2d877eb670c4" />
        <link rel="canonical" href={`https://learning.postman.com${site.siteMetadata.pathPrefix}${slug}`} />
        {/* Algolia Instantsearch IE11 support v3 */}
-       {/* <script src="https://polyfill.io/v3/polyfill.min.js?features=default,Array.prototype.find,Array.prototype.includes" /> */}
+       {/* <script src="https://cdnjs.cloudflare.com/polyfill/v3/polyfill.min.js?features=default,Array.prototype.find,Array.prototype.includes" /> */}
        {/*  */}
        {/* Algolia Instantsearch IE11 support v4 */}
-       <link rel="dns-prefetch" href="https://polyfill.io" />
-       <link crossOrigin rel="preconnect" href="https://polyfill.io" />
-       <script async src="https://polyfill.io/v3/polyfill.min.js?features=default%2CArray.prototype.find%2CArray.prototype.includes%2CPromise%2CObject.assign%2CObject.entries"></script>
+       <link rel="dns-prefetch" href="https://cdnjs.cloudflare.com" />
+       <link crossOrigin rel="preconnect" href="https://cdnjs.cloudflare.com" />
+       <script async src="https://cdnjs.cloudflare.com/polyfill/v3/polyfill.min.js?features=default%2CArray.prototype.find%2CArray.prototype.includes%2CPromise%2CObject.assign%2CObject.entries"></script>
      </Helmet>
    );
  }
diff --git a/src/pages/index.jsx b/src/pages/index.jsx
index 26ac7abde..dc605495e 100644
--- a/src/pages/index.jsx
+++ b/src/pages/index.jsx
@@ -41,7 +41,7 @@ class IndexPage extends React.Component {
       polyfill.id = id
       polyfill.language = "JavaScript1.1"
       polyfill.src =
-        "//polyfill.io/v3/polyfill.min.js?features=default%2CArray.prototype.find%2CArray.prototype.includes%2CPromise%2CObject.assign%2CObject.entries"
+        "//cdnjs.cloudflare.com/polyfill/v3/polyfill.min.js?features=default%2CArray.prototype.find%2CArray.prototype.includes%2CPromise%2CObject.assign%2CObject.entries"
       polyfill.async = true
       document.body.appendChild(polyfill)
     }