With the recent redesign of post notices w.e.f. Dec 5, 2019, the banner has been reduced to just one and that too appears on the top eliminating all the confusions which were present before. Unlike then, now users with less than 3000 reputations aren't shown the close voters. For them the banner looks like:
But for users with 3000 reputation points or more ...
The problem seems to be caused by copying a link with a preceding space into the Insert Hyperlink dialog. The software adds http:// in front of it and a broken link starting with http://%20https:// is born.
See What causes “http://%20https://” links to be made? on Meta.SE for details.