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

https://www.unitedbookmarkings.win/err-blocked-by-client-means-something-like-an-extension-or-setting-in-your

ERR_BLOCKED_BY_CLIENT means your browser or an extension is stopping a website or resource from loading. To fix it, open the page in private mode to see if an extension is causing the block