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

https://wiki-coast.win/index.php/Why_Do_I_Get_Blocked-By-Client_Errors_After_Installing_a_New_Extension%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 browser extensions