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

https://highstylife.com/why-is-a-random-looking-domain-like-yfdnzfa-com-getting-blocked/

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