Basic troubleshooting
1.Try loading the site on a different device or network if possible you can try your mobile network.
2.Restart your computer.
3.Try loading the site in a different browser.
4.Temporarily disable your antivirus program.
5.Reset your modem and router.
6.Check your computer's date and time settings.
7.Clearing Browser CACHE
8.Ensure that there are no parental controls enabled.
Hope this Help ..