.m

#import <Reachability.h>

@property (strong, nonatomic) Reachability *internetReachableFoo;

// Checks if we have an internet connection or not
- (void)testInternetConnection
{
    self.internetReachableFoo = [Reachability reachabilityWithHostname:@"www.bing.com"];
    
    // Internet is reachable
    @weakify(self);
    self.internetReachableFoo.reachableBlock = ^(Reachability*reach)
    {
        // Update the UI on the main thread
        dispatch_async(dispatch_get_main_queue(), ^{
            @strongify(self);
            [self loadRequest];
            NSLog(@"Yayyy, we have the interwebs!");
        });
    };
    
    // Internet is not reachable
    self.internetReachableFoo.unreachableBlock = ^(Reachability*reach)
    {
        // Update the UI on the main thread
        dispatch_async(dispatch_get_main_queue(), ^{
            NSLog(@"Someone broke the internet :(");
        });
    };
    
    [self.internetReachableFoo startNotifier];
}