diff --git a/www.freecol.org/_layouts/default.html b/www.freecol.org/_layouts/default.html
index 263b98daf..08b5fcff8 100644
--- a/www.freecol.org/_layouts/default.html
+++ b/www.freecol.org/_layouts/default.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
diff --git a/www.freecol.org/_layouts/news-post.html b/www.freecol.org/_layouts/news-post.html
index 7ae18bea9..86d48699b 100644
--- a/www.freecol.org/_layouts/news-post.html
+++ b/www.freecol.org/_layouts/news-post.html
@@ -24,12 +24,12 @@
         <table align="center" style="margin-top: 25px;">
             <tr>
                 <th class="pagenav_prev">
-                    {% if page.previous %}<a href="{{ page.previous.url }}">{% endif %}&lt; Prev{% if page.previous %}</a>{% endif %}
+                    {% if page.previous %}<a href="{{ page.previous.url }}" rel="prev">{% endif %}&lt; Prev{% if page.previous %}</a>{% endif %}
                 </th>
                 <td width="50">&nbsp;
                 </td>
                 <th class="pagenav_next">
-                    {% if page.next %}<a href="{{ page.next.url }}">{% endif %}Next &gt;{% if page.next %}</a>{% endif %}
+                    {% if page.next %}<a href="{{ page.next.url }}" rel="next">{% endif %}Next &gt;{% if page.next %}</a>{% endif %}
                 </th>
             </tr>
         </table>
diff --git a/www.freecol.org/links/index.html b/www.freecol.org/links/index.html
index 859312530..471549526 100644
--- a/www.freecol.org/links/index.html
+++ b/www.freecol.org/links/index.html
@@ -67,8 +67,9 @@
                                                          align="middle" border="0"/>&nbsp;&nbsp;
                                     </td>
                                     <td height="20">
-                                        <a href="http://www.2kgames.com/civ4/colonization/"
-                                           class="category">Sid Meier's Civilization IV: Colonization</a> <br/>
+                                        <a href="https://web.archive.org/web/20190323093153/http://www.2kgames.com/civ4/colonization/"
+                                            target="_blank" rel="nofollow external"
+                                            class="category">Sid Meier's Civilization IV: Colonization</a> <br/>
                                         The official re-imagining of Colonization, released in 2008.
                                     </td>
                                 </tr>
@@ -78,8 +79,8 @@
                                                          align="middle" border="0"/>&nbsp;&nbsp;
                                     </td>
                                     <td height="20">
-                                        <a href="http://www.colonization.biz/"
-                                           target="_blank" class="category">Unofficial Colonization Home Page</a>
+                                        <a href="http://www.colonization.biz/" target="_blank" rel="nofollow external"
+                                            class="category">Unofficial Colonization Home Page</a>
                                         <br/>
                                         A site dedicated to Colonization.
                                     </td>
@@ -111,7 +112,7 @@
                                                          align="middle" border="0"/>&nbsp;&nbsp;
                                     </td>
                                     <td height="20">
-                                        <a href="#" target="_blank" class="category">The New World</a> <br/>
+                                        <a href="https://web.archive.org/web/20110818141847/http://epagames.isgreat.org/" target="_blank" rel="nofollow external" class="category">The New World</a> <br/>
                                         A project aimed at making a real-time strategy version of Colonization.
                                     </td>
                                 </tr>
@@ -121,7 +122,8 @@
                                                          align="middle" border="0"/>&nbsp;&nbsp;
                                     </td>
                                     <td height="20">
-                                        <a href="#" target="_blank" class="category">Open Colonization</a> <br/>
+                                        <a href="http://opencolonizatio.sourceforge.net/" target="_blank" rel="nofollow external"
+                                            class="category">Open Colonization</a> <br/>
                                         The project seem to have halted right after they launched their website in
                                         2004.
                                     </td>
@@ -132,7 +134,8 @@
                                                          align="middle" border="0"/>&nbsp;&nbsp;
                                     </td>
                                     <td height="20">
-                                        <a href="#" target="_blank" class="category">NewCol</a> <br/>
+                                        <a href="https://web.archive.org/web/20140825050052/http://newcol.free.fr/"
+                                            target="_blank" rel="nofollow external" class="category">NewCol</a> <br/>
                                         From their website: "The goal of this project is to let students learn
                                         computer science and C language in a funny motivating project."
                                     </td>
@@ -146,7 +149,8 @@
                                                          align="middle" border="0"/>&nbsp;&nbsp;
                                     </td>
                                     <td height="20">
-                                        <a href="#" class="category">Free Conquest & Colonization of America</a> <br/>
+                                        <a href="http://fcca.sourceforge.net/" target="_blank" rel="nofollow external"
+                                            class="category">Free Conquest & Colonization of America</a> <br/>
                                         A project using C and Ruby.
                                     </td>
                                 </tr>
@@ -156,7 +160,8 @@
                                                          align="middle" border="0"/>&nbsp;&nbsp;
                                     </td>
                                     <td height="20">
-                                        <a href="#" target="_blank" class="category">jColonization</a> <br/>
+                                        <a href="https://forums.civfanatics.com/threads/fan-made-colonization-inspired-games-clones.229627/page-2#post-7680334"
+                                            target="_blank" rel="nofollow external" class="category">jColonization</a> <br/>
                                         Another clone that doesn't seem to have produced anything beyond a website
                                         and some screenshots. Neither code nor binaries have been published, making
                                         it likely that the screenshots are just mockups.
@@ -168,7 +173,8 @@
                                                          align="middle" border="0"/>&nbsp;&nbsp;
                                     </td>
                                     <td height="20">
-                                        <a href="#" target="_blank" class="category">Colonization too</a> <br/>
+                                        <a href="http://coltoo.sourceforge.net/index.shtml" target="_blank" rel="nofollow external"
+                                            class="category">Colonization too</a> <br/>
                                         Using C++ this project was redesigning the game while implementing it. The
                                         project has unfortunately died.
                                     </td>
@@ -202,7 +208,8 @@
                                                          align="middle" border="0"/>&nbsp;&nbsp;
                                     </td>
                                     <td height="20">
-                                        <a href="http://play.freeciv.org/" target="_blank" class="category">FreeCiv</a> <br/>
+                                        <a href="http://play.freeciv.org/" target="_blank" rel="nofollow external"
+                                            class="category">FreeCiv</a> <br/>
                                         An Open Source implementation of Civilization.
                                     </td>
                                 </tr>
@@ -212,7 +219,8 @@
                                                          align="middle" border="0"/>&nbsp;&nbsp;
                                     </td>
                                     <td height="20">
-                                        <a href="http://www.wesnoth.org/" target="_blank" class="category">The Battle for Wesnoth</a> <br/>
+                                        <a href="http://www.wesnoth.org/" target="_blank" rel="nofollow external"
+                                            class="category">The Battle for Wesnoth</a> <br/>
                                         A turn-based strategy game with a fantasy theme.
                                     </td>
                                 </tr>
