-<li><a href="http://www.opengl.org" target="_parent">OpenGL website</a>
-<li><a href="http://dri.freedesktop.org" target="_parent">DRI website</a>
-<li><a href="http://www.freedesktop.org" target="_parent">freedesktop.org</a>
-<li><a href="http://planet.freedesktop.org" target="_parent">Developer blogs</a>
+<li><a href="https://www.opengl.org" target="_parent">OpenGL Website</a>
+<li><a href="https://dri.freedesktop.org" target="_parent">DRI Website</a>
+<li><a href="https://www.freedesktop.org" target="_parent">freedesktop.org</a>
+<li><a href="https://planet.freedesktop.org" target="_parent">Developer Blogs</a>