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

https://www.tumblr.com/gladlyradiantsphinx/821595448445927424/how-do-i-fix-errblockedbyclient-when-only-one

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