Zechariah was Uzziah's adviser and taught him to obey God. And so, as long as Zechariah was alive, Uzziah was faithful to God, and God made him successful.
Jotham obeyed the LORD and did right. He followed the example of his father Uzziah, except he never burnt incense in the temple as his father had done. But the people of Judah kept sinning against the LORD.