Should we respond to the accusations of a website that insults the Quran and the Messenger and accuses the Quran of contradictions, or should we ignore them?

Those who insult Allah, His Messenger, His Book, and His religion must be deterred, for that is a form of support and sincere advice. The general public must avoid looking at such websites, lest doubts be instilled in them. They should occupy their time with beneficial pursuits, such as learning the texts of revelation, the Sirah (Prophet's biography), and the stories of the Prophets and the righteous predecessors.