The first one worked fine for me.
I don't see a link for the second.
The third one worked fine for me.
In the future, you should know that there is a report button on the puzzles.
It is an !
I would guess that you should clear your browser cache.
Found a glitch: Puzzles pawn promotion
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Puzzle id: https://www.chess.com/puzzles/problem/1006262
The E3 Pawn did not correctly promote to a Rook. Prior to this, I was attempting to stop auto-promotion of Pawns to a Queen, therefore I assume this was related. Screenshot below.
Second time the glitch occurs on another puzzle.
Third time.