Added locale (english only at the moment) and modifed the EJS so I think

every string is customisable (via the /locales/selected locale)

views/pages/tag.ejs

@@ -10,11 +10,13 @@
         </div>
         <div id="posts">
             <% for (let index = posts.length - 1; index >= 0; index--) { %>
-                <% posts[index].tags.forEach((current_tag, tag_index) => { %> 
-                    <% if (current_tag == tag) { %>
-                        <%- include('../posts/tag', {post: posts[index], postID: index}); %>
-                    <% } %>
-                <% }) %>
+                <% if ( posts[index].deleted != true) { %>
+                    <% posts[index].tags.forEach((current_tag, tag_index) => { %> 
+                        <% if (current_tag == tag) { %>
+                            <%- include('../posts/tag', {post: posts[index], postID: index}); %>
+                        <% } %>
+                    <% }) %>
+                <% } %>
             <% } %>
         </div>
         <footer>

views/pages/timeline.ejs

@@ -9,6 +9,7 @@
             <%- include('../headers/timeline'); %>
         </div>
         <form method="POST" action="/submit_nothing" style="display:none">
+            <!-- Form is used to help mitigate spam as it is the first form on the front page -->
             <input type="hidden" name="post_index" value="0">
             <input placeholder="username" name="name"><br/>
             <textarea placeholder="comment" name="content"></textarea><br/>