ERR_BLOCKED_BY_CLIENT means a browser extension or setting is stopping a...

https://research-wiki.win/index.php/Should_I_Whitelist_yfdnzfa.com_If_My_Extension_Blocked_It%3F

ERR_BLOCKED_BY_CLIENT means a browser extension or setting is stopping a webpage from loading. To fix it, try opening the site in private or incognito mode. If it works there, check your browser extensions