ERR_BLOCKED_BY_CLIENT means your browser or an extension is stopping a website...

https://wiki-byte.win/index.php/What_Browser_Settings_Can_Cause_Client-Side_Blocking%3F

ERR_BLOCKED_BY_CLIENT means your browser or an extension is stopping a website from loading. To fix it, try opening the page in private mode. If it works, check your extensions and temporarily turn them off