Better fix for MIME

.htaccess

@@ -10,9 +10,5 @@ Options -Indexes
     RewriteRule ^(.*)$ index.php?path=$1 [QSA,L]
 </IfModule>
 
-<IfModule mod_rewrite.c>
-    # Make all /post/*.json served with correct MIME
-    RewriteEngine On
-    RewriteCond %{REQUEST_URI} ^/posts/
-    RewriteRule ^ - [T=application/activity+json]
-</IfModule>
+#   Serve JSON documents with the correct MIME types
+AddType application/activity+json .json