-<dt>rfc<dd><a href="https://tools.ietf.org/html/rfc%s">RFC</a></dd>
-<dt>s<dd><a href="https://lite.duckduckgo.com/lite/?q=%s">DuckDuckGo</a></dd>
+<dt>rfc<dd><a href="https://datatracker.ietf.org/doc/html/rfc%s">RFC</a></dd>
+<dt>s<dd><a href="https://html.duckduckgo.com/html?q=%s">DuckDuckGo</a></dd>