 WebRTC support']);
            }
            
            // Browser-specific guidance
            const ua = navigator.userAgent;
            if (ua.includes('Chrome')) {
                addCheckItem('info', 'Chrome Browser Detected', 
                    'Chrome has several flags and settings that control WebRTC behavior:',
                    [
                        '<b>chrome://flags/#enable-webrtc-hide-local-ips-with-mdns</b> - Controls mDNS anonymization',
                        '<b>chrome://setti