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

https://spark-wiki.win/index.php/How_Can_a_Website_Reduce_the_Chance_of_Being_Blocked_by_Ad_Blockers%3F

ERR_BLOCKED_BY_CLIENT means a browser extension or setting is stopping a website from loading. To fix it, try opening the site in private mode. If it works, check your extensions and temporarily disable or whitelist the site