ERR_BLOCKED_BY_CLIENT means something on your browser is stopping a webpage or...

https://www.alphabookmarks.win/err-blocked-by-client-means-something-in-your-browser-usually-an-extension

ERR_BLOCKED_BY_CLIENT means something on your browser is stopping a webpage or resource from loading. To fix it, try opening the page in private mode. If that works, check your browser extensions and disable any that might be blocking content