We have monitors setup to let us know when the website is down. You can view this monitor and others by using the link below. This will let you know if the site is down for you or if it is offline for everyone.
LINK: https://stats.uptimerobot.com/vQyZGTPmO
If the website is up but you are not able to access it. We would suggest trying to use a different browser to see if that corrects the issue.