McAfee WebAdvisor is a popular browser extension designed to enhance online security by warning users about potentially dangerous websites and blocking malicious downloads. Reviews generally praise its user-friendly interface and effective protection against phishing and malware threats. Many users appreciate the real-time website ratings, which help them avoid risky sites. However, some reviewers note that WebAdvisor may occasionally cause slowdowns or compatibility issues with certain browsers. While it provides a valuable layer of security, some feel that its features overlap with other antivirus software, leading to redundancy. Overall, McAfee WebAdvisor is considered a solid tool for users seeking an extra level of protection, though its performance and utility can vary depending on individual needs and system configurations.