diff --git a/doc/bugs/More_mobile_friendly_default_themes.mdwn b/doc/bugs/More_mobile_friendly_default_themes.mdwn
new file mode 100644
index 000000000..c33d6ac95
--- /dev/null
+++ b/doc/bugs/More_mobile_friendly_default_themes.mdwn
@@ -0,0 +1,15 @@
+<http://developers.google.com/speed/pagespeed/insights/>
+
+indicates the viewport on mobile needs to be configured, e.g. `<meta name=viewport content="width=device-width, initial-scale=1">` in the header of
+
+http://source.ikiwiki.branchable.com/?p=source.git;a=blob;f=templates/page.tmpl;
+
+
+Further more:
+
+
+* fonts need to be tweaked
+* XHTML should be dropped !
+
+
+I'm practicing this on http://dabase.com/ with <http://source.dabase.branchable.com/?p=source.git;a=blob;f=templates/page.tmpl;>