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

https://yenkee-wiki.win/index.php/How_Do_I_Fix_ERR_BLOCKED_BY_CLIENT_When_Only_One_Page_on_a_Site_Fails%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