Browser Compatibility

JavaScript Feature Detection

// Check Accept-Encoding support
function checkCompressionSupport() {
    const acceptEncoding = navigator.acceptEncoding || 
                          navigator.mozAcceptEncoding || 
                          navigator.webkitAcceptEncoding;
    
    if (acceptEncoding) {
        console.log('Supported encodings:', acceptEncoding);
    }
    
    // Server-side detection is more reliable
    fetch('/test', { headers: { 'Accept-Encoding': 'gzip, br, zstd' }})
        .then(response => {
            console.log('Content-Encoding:', response.headers.get('Content-Encoding'));
        });
}