diff --git a/docusaurus/docs/making-a-progressive-web-app.md b/docusaurus/docs/making-a-progressive-web-app.md
index 1623defd4f9..fde480fa819 100644
--- a/docusaurus/docs/making-a-progressive-web-app.md
+++ b/docusaurus/docs/making-a-progressive-web-app.md
@@ -15,7 +15,7 @@ following in their [`src/index.js`](https://github.com/facebook/create-react-app
 ```js
 // If you want your app to work offline and load faster, you can change
 // unregister() to register() below. Note this comes with some pitfalls.
-// Learn more about service workers: http://bit.ly/CRA-PWA
+// Learn more about service workers: https://bit.ly/CRA-PWA
 serviceWorker.unregister();
 ```
 
diff --git a/packages/react-dev-utils/printBuildError.js b/packages/react-dev-utils/printBuildError.js
index 1e70b4e64f4..28f0de0cd9e 100644
--- a/packages/react-dev-utils/printBuildError.js
+++ b/packages/react-dev-utils/printBuildError.js
@@ -37,7 +37,7 @@ module.exports = function printBuildError(err) {
     } catch (ignored) {
       console.log('Failed to minify the bundle.', err);
     }
-    console.log('Read more here: http://bit.ly/CRA-build-minify');
+    console.log('Read more here: https://bit.ly/CRA-build-minify');
   } else {
     console.log((message || err) + '\n');
   }
diff --git a/packages/react-dev-utils/printHostingInstructions.js b/packages/react-dev-utils/printHostingInstructions.js
index df697392fe6..1169ec0349f 100644
--- a/packages/react-dev-utils/printHostingInstructions.js
+++ b/packages/react-dev-utils/printHostingInstructions.js
@@ -39,7 +39,7 @@ function printHostingInstructions(
   console.log();
   console.log('Find out more about deployment here:');
   console.log();
-  console.log(`  ${chalk.yellow('http://bit.ly/CRA-deploy')}`);
+  console.log(`  ${chalk.yellow('https://bit.ly/CRA-deploy')}`);
   console.log();
 }
 
diff --git a/packages/react-scripts/scripts/start.js b/packages/react-scripts/scripts/start.js
index 852e6b8fb44..7576d44a8a6 100644
--- a/packages/react-scripts/scripts/start.js
+++ b/packages/react-scripts/scripts/start.js
@@ -72,7 +72,7 @@ if (process.env.HOST) {
     `If this was unintentional, check that you haven't mistakenly set it in your shell.`
   );
   console.log(
-    `Learn more here: ${chalk.yellow('http://bit.ly/CRA-advanced-config')}`
+    `Learn more here: ${chalk.yellow('https://bit.ly/CRA-advanced-config')}`
   );
   console.log();
 }
diff --git a/packages/react-scripts/template-typescript/src/index.tsx b/packages/react-scripts/template-typescript/src/index.tsx
index 0c5e75da1cd..87d1be55189 100644
--- a/packages/react-scripts/template-typescript/src/index.tsx
+++ b/packages/react-scripts/template-typescript/src/index.tsx
@@ -8,5 +8,5 @@ ReactDOM.render(<App />, document.getElementById('root'));
 
 // If you want your app to work offline and load faster, you can change
 // unregister() to register() below. Note this comes with some pitfalls.
-// Learn more about service workers: http://bit.ly/CRA-PWA
+// Learn more about service workers: https://bit.ly/CRA-PWA
 serviceWorker.unregister();
diff --git a/packages/react-scripts/template-typescript/src/serviceWorker.ts b/packages/react-scripts/template-typescript/src/serviceWorker.ts
index c0b13105198..15d90cb81a1 100644
--- a/packages/react-scripts/template-typescript/src/serviceWorker.ts
+++ b/packages/react-scripts/template-typescript/src/serviceWorker.ts
@@ -8,7 +8,7 @@
 // resources are updated in the background.
 
 // To learn more about the benefits of this model and instructions on how to
-// opt-in, read http://bit.ly/CRA-PWA
+// opt-in, read https://bit.ly/CRA-PWA
 
 const isLocalhost = Boolean(
   window.location.hostname === 'localhost' ||
@@ -51,7 +51,7 @@ export function register(config?: Config) {
         navigator.serviceWorker.ready.then(() => {
           console.log(
             'This web app is being served cache-first by a service ' +
-              'worker. To learn more, visit http://bit.ly/CRA-PWA'
+              'worker. To learn more, visit https://bit.ly/CRA-PWA'
           );
         });
       } else {
@@ -79,7 +79,7 @@ function registerValidSW(swUrl: string, config?: Config) {
               // content until all client tabs are closed.
               console.log(
                 'New content is available and will be used when all ' +
-                  'tabs for this page are closed. See http://bit.ly/CRA-PWA.'
+                  'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
               );
 
               // Execute callback
diff --git a/packages/react-scripts/template/src/index.js b/packages/react-scripts/template/src/index.js
index 0c5e75da1cd..87d1be55189 100644
--- a/packages/react-scripts/template/src/index.js
+++ b/packages/react-scripts/template/src/index.js
@@ -8,5 +8,5 @@ ReactDOM.render(<App />, document.getElementById('root'));
 
 // If you want your app to work offline and load faster, you can change
 // unregister() to register() below. Note this comes with some pitfalls.
-// Learn more about service workers: http://bit.ly/CRA-PWA
+// Learn more about service workers: https://bit.ly/CRA-PWA
 serviceWorker.unregister();
diff --git a/packages/react-scripts/template/src/serviceWorker.js b/packages/react-scripts/template/src/serviceWorker.js
index 2283ff9ced1..f8c7e50c201 100644
--- a/packages/react-scripts/template/src/serviceWorker.js
+++ b/packages/react-scripts/template/src/serviceWorker.js
@@ -8,7 +8,7 @@
 // resources are updated in the background.
 
 // To learn more about the benefits of this model and instructions on how to
-// opt-in, read http://bit.ly/CRA-PWA
+// opt-in, read https://bit.ly/CRA-PWA
 
 const isLocalhost = Boolean(
   window.location.hostname === 'localhost' ||
@@ -43,7 +43,7 @@ export function register(config) {
         navigator.serviceWorker.ready.then(() => {
           console.log(
             'This web app is being served cache-first by a service ' +
-              'worker. To learn more, visit http://bit.ly/CRA-PWA'
+              'worker. To learn more, visit https://bit.ly/CRA-PWA'
           );
         });
       } else {
@@ -71,7 +71,7 @@ function registerValidSW(swUrl, config) {
               // content until all client tabs are closed.
               console.log(
                 'New content is available and will be used when all ' +
-                  'tabs for this page are closed. See http://bit.ly/CRA-PWA.'
+                  'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
               );
 
               // Execute callback