Loading content in a WebView using NSURLConnection

RJViewController.m

@implementation RJViewController {
    
    __weak IBOutlet UIWebView *_webView;
    NSURLConnection *_urlConnection;
    NSMutableData *_receivedData;
}
- (void)viewDidLoad
{
    [super viewDidLoad];
    NSString *urlString = @"http://google.com";
    NSURL *url = [NSURL URLWithString:urlString];
    NSURLRequest *request = [NSURLRequest requestWithURL:url];

    _urlConnection = [[NSURLConnection alloc]initWithRequest:request delegate:self];
    if(_urlConnection) {
        _receivedData = [[NSMutableData alloc] init];
    }
}

#pragma mark - NSURLConnectionDataDelegate
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
    [_receivedData setLength:0];
}
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
    [_receivedData appendData:data];
}
#pragma mark - NSURLConnectionDelegate
- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
    NSLog(@"Connection failure.");
    _receivedData = nil;
    _urlConnection = nil;
}
#pragma mark - NSURLConnectionDataDelegate
- (void)connectionDidFinishLoading:(NSURLConnection *)connection {
    NSLog(@"Succeeded! Received %d bytes of data",[_receivedData length]);
    [_webView loadData:_receivedData MIMEType:@"text/html" textEncodingName:@"@utf-8" baseURL:nil];
    _urlConnection = nil;
    _receivedData = nil;
}