:frame_ancestors => %w['self'],
:frame_src => %w['self'],
:img_src => %w['self' data: www.gravatar.com *.wp.com *.tile.openstreetmap.org *.tile.thunderforest.com *.openstreetmap.fr],
- :manifest_src => %w['none'],
+ :manifest_src => %w['self'],
:media_src => %w['none'],
:object_src => %w['self'],
:plugin_types => %w[],