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

https://www.bookmarkpage.win/err-blocked-by-client-means-a-browser-extension-or-setting-is-stopping-a

ERR_BLOCKED_BY_CLIENT means your browser or an extension is stopping a website from loading. To fix it, try opening the page in private mode. If it works, check your extensions and temporarily turn them off