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

https://www.sierrabookmarking.win/err-blocked-by-client-means-your-browser-or-an-extension-is-stopping-a-website-1

ERR_BLOCKED_BY_CLIENT means your browser or an extension is stopping a website from loading. To fix it, open a private or incognito window to see if the site works there. If it does, check your extensions and settings