Update: after implementing our own shortener service (https://github.com/weso/rdfshape/pull/195) we do not depend on external services and have more freedom to shorten long URLs.
~Use shorter permalinks (working)~
~Place the permalink buttons on more visible spots~
~Allow users to copy the permalinks to their clipboards~
Right now permalinks are too long and they are sometimes shown on hidden places. We should implement the functionalities already present in Wikishape: