diff --git a/.eslintrc.js b/.eslintrc.js
index f59f65f8065c58..8279dfc9c4ab41 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -59,7 +59,7 @@ module.exports = {
   ],
   rules: {
     // ESLint built-in rules
-    // http://eslint.org/docs/rules
+    // https://eslint.org/docs/rules/
     'accessor-pairs': 'error',
     'array-callback-return': 'error',
     'arrow-parens': ['error', 'always'],
diff --git a/.github/SUPPORT.md b/.github/SUPPORT.md
index 1a086bd2cc59a7..48ad8a90cb77c5 100644
--- a/.github/SUPPORT.md
+++ b/.github/SUPPORT.md
@@ -17,7 +17,7 @@ resources:
 * [Questions tagged 'node.js' on Stack Overflow](https://stackoverflow.com/questions/tagged/node.js)
 * [#node.js channel on chat.freenode.net](https://webchat.freenode.net?channels=node.js&uio=d4)
 * [Node.js Slack Community](https://node-js.slack.com/)
-  * To register: [nodeslackers.com](http://www.nodeslackers.com/)
+  * To register: [nodeslackers.com](https://www.nodeslackers.com/)
 
 GitHub issues are for tracking enhancements and bugs, not general support.
 
diff --git a/BUILDING.md b/BUILDING.md
index 13caddbdc13e98..0a8f24c694222e 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -695,7 +695,7 @@ that works for both your host and target environments.
 ### Build with a specific ICU
 
 You can find other ICU releases at
-[the ICU homepage](http://icu-project.org/download).
+[the ICU homepage](http://site.icu-project.org/download).
 Download the file named something like `icu4c-**##.#**-src.tgz` (or
 `.zip`).
 
@@ -726,7 +726,7 @@ $ ./configure --with-intl=full-icu --with-icu-source=http://url/to/icu.tgz
 #### Windows
 
 First unpack latest ICU to `deps/icu`
-[icu4c-**##.#**-src.tgz](http://icu-project.org/download) (or `.zip`)
+[icu4c-**##.#**-src.tgz](http://site.icu-project.org/download) (or `.zip`)
 as `deps/icu` (You'll have: `deps/icu/source/...`)
 
 ```console
diff --git a/README.md b/README.md
index a26109b24d62df..14add86124b821 100644
--- a/README.md
+++ b/README.md
@@ -608,6 +608,6 @@ Other keys used to sign some previous releases:
 [Code of Conduct]: https://github.com/nodejs/admin/blob/master/CODE_OF_CONDUCT.md
 [Contributing to the project]: CONTRIBUTING.md
 [Node.js Website]: https://nodejs.org/
-[OpenJS Foundation]: http://openjs.foundation/
+[OpenJS Foundation]: https://openjsf.org/
 [Working Groups]: https://github.com/nodejs/TSC/blob/master/WORKING_GROUPS.md
 [Strategic Initiatives]: https://github.com/nodejs/TSC/blob/master/Strategic-Initiatives.md