ERR_BLOCKED_BY_CLIENT means something in your browser, like an extension or...

https://dibz.me/blog/why-does-reloading-not-fix-a-blocked-by-client-error-1188

ERR_BLOCKED_BY_CLIENT means something in your browser, like an extension or setting, is stopping a website from loading. To fix it, try opening the site in private mode. If it works there, check your extensions and settings