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

https://domgodwinson38.gumroad.com/p/how-do-i-fix-a-blocked-page-when-i-need-it-for-work-right-now

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 mode. If it works, check your extensions and turn off or whitelist the ones blocking the site