ction checkBrowserSettings() {
            clearResults();
            checkResultsDiv.innerHTML = '';
            checkResultsDiv.style.display = 'block';
            statusDiv.style.display = 'none';
            
            // Check basic WebRTC support
            if (typeof RTCPeerConnection === 'undefined') {
                addCheckItem('error', 'WebRTC Not Supported', 
                    'WebRTC is not available in this browser. This could mean you\'re using an older browser or WebRTC has been disa