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

https://direct-wiki.win/index.php/How_Do_I_Fix_ERR_BLOCKED_BY_CLIENT_on_Firefox%3F

ERR_BLOCKED_BY_CLIENT means your browser or an extension is stopping a webpage from loading. To fix it, try opening the page in private or incognito mode first. If that works, check your browser extensions and disable any that might block content