Considering factors such as accuracy in identifying threats, the breadth of protection against a range of malicious activities, and the capacity to adapt to new and evolving online threats, which web filtering feature is typically viewed as the most effective for organizations aiming to reduce malware infection risks and maintain adherence to their Internet usage policies?

A$.$Uniform Resource Locator scanning

B$.$Content categorization

C$.$Block rules

D$.$Reputation$-$based filtering