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

https://www.tumblr.com/gladlyradiantsphinx/821585633771454464/how-do-i-fix-errblockedbyclient-on-brave

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