Sometimes, Internet Service Providers (ISPs) restrict access to websites through DNS-level blocking. Switching your DNS to a public one can bypass this. Go to Chrome Settings →right arrow Privacy and security . Select Security: Click on Security .
Browser extensions like AdBlock, VPNs, or antivirus plugins can sometimes be too aggressive and block a site you want to visit. how do i unblock a website on google chrome
(for network or regional blocks)