diff --git a/README.md b/README.md
index 5ff0528..9c19f16 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ The official Minetest website, living at [www.minetest.net](http://www.minetest.
 
 # Workflow
 
-This site uses the [Jekyll](http://jekyllrb.com) static site generator.
+This site uses the [Jekyll](https://jekyllrb.com) static site generator.
 Use `jekyll serve` to automatically build the Jekyll site and serve it locally.
 
 # License
diff --git a/community.html b/community.html
index 24d02d9..ff39cc5 100644
--- a/community.html
+++ b/community.html
@@ -15,6 +15,6 @@ redirect_from:
   <li>Giving support on <a href="/irc/">IRC</a></li>
   <li>Giving support on the <a href="https://forum.minetest.net">forums</a>, publishing mods, subgames, maps, texture packs</li>
   <li>Contribute on <a href="https://github.com/minetest">GitHub</a> - report bugs, make pull requests</li>
-  <li>Talk about Minetest on <a href="http://www.reddit.com/r/Minetest">reddit</a></li>
+  <li>Talk about Minetest on <a href="https://www.reddit.com/r/Minetest">reddit</a></li>
   <li>Perform some <a href="/development/">development</a></li>
 </ul>
diff --git a/downloads.html b/downloads.html
index 48b9715..fc1866d 100644
--- a/downloads.html
+++ b/downloads.html
@@ -76,10 +76,10 @@ redirect_from:
   <li><a href="https://packages.debian.org/search?keywords=minetest">Debian</a></li>
   <li><a href="http://packages.ubuntu.com/search?keywords=minetest">Ubuntu / Linux Mint</a></li>
   <li><a href="https://apps.fedoraproject.org/packages/minetest">Fedora</a></li>
-  <li><a href="http://software.opensuse.org/package/minetest">openSUSE</a></li>
-  <li><a href="http://mageia.madb.org/package/show/name/minetest">Mageia</a></li>
+  <li><a href="https://software.opensuse.org/package/minetest">openSUSE</a></li>
+  <li><a href="https://madb.mageia.org/package/show/name/minetest">Mageia</a></li>
   <li><a href="https://www.archlinux.org/packages/?q=minetest">Arch Linux</a></li>
-  <li><a href="http://packages.gentoo.org/package/games-action/minetest">Gentoo</a></li>
+  <li><a href="https://packages.gentoo.org/package/games-action/minetest">Gentoo</a></li>
 </ul>
 
 <h4>Packages (daily, unstable)</h4>
diff --git a/irc.html b/irc.html
index 8e64af7..874e3da 100644
--- a/irc.html
+++ b/irc.html
@@ -13,12 +13,12 @@ redirect_from:
   </p>
   <ul>
     <li>
-      <strong><a href="http://webchat.freenode.net/?channels=#minetest">#minetest</a></strong>
+      <strong><a href="https://webchat.freenode.net/?channels=#minetest">#minetest</a></strong>
       (<a href="http://irc.minetest.ru/minetest">logs</a>): main channel
     </li>
     <li>
       <strong>
-        <a href="http://webchat.freenode.net/?channels=#minetest-dev">#minetest-dev</a>
+        <a href="https://webchat.freenode.net/?channels=#minetest-dev">#minetest-dev</a>
       </strong>
       (<a href="http://irc.minetest.ru/minetest-dev">logs</a>):
       development channel, only serious stuff; note that webchat is muted due to too much spam/flood.
@@ -54,7 +54,7 @@ redirect_from:
 </p>
 
 <ul>
-  <li><strong><a href="http://webchat.freenode.net/?channels=#minetest-de">#minetest-de</a></strong> German channel</li>
-  <li><strong><a href="http://webchat.freenode.net/?channels=##minetest-es">##minetest-es</a></strong> Spanish channel</li>
-  <li><strong><a href="http://webchat.freenode.net/?channels=#minetest-fr">#minetest-fr</a></strong> French channel</li>
+  <li><strong><a href="https://webchat.freenode.net/?channels=#minetest-de">#minetest-de</a></strong> German channel</li>
+  <li><strong><a href="https://webchat.freenode.net/?channels=##minetest-es">##minetest-es</a></strong> Spanish channel</li>
+  <li><strong><a href="https://webchat.freenode.net/?channels=#minetest-fr">#minetest-fr</a></strong> French channel</li>
 </ul>