Maybe someone visited a page on him/her self, did not like it, and decided to to something about it.
Good thing: many people use this service so they now know even better what kind of govt they live under.
I'd say it is just some random court order, maybe somebody edited page of Erdoğan to add some insults, which gave ideas to some judge to get government reputation.
Usually Turkish government blocks sites right after a terrorist attack or in the case of the coup attempt. Is something about to happen?