If you are ever in doubt as to whether Blitzz is functioning properly and accessible as normal, you can check the status page for information:
This is the fastest and most accurate source of information in the event of any service disruptions. Any and all information we have will be posted on the status page. You can also subscribe to receive notifications of any interruptions or outages.
If you are experiencing problems connecting to the site, you can also check to make sure your own network does not have a firewall in place blocking access to Blitzz.